Analytical Aptitude Competency Flashcards

(254 cards)

1
Q

True or False: Analytical Aptitude is only useful for data analysts and is not relevant to HR professionals.

A

False – Analytical Aptitude is essential for HR professionals as it helps them use data to make sound decisions, evaluate tactics like engagement and retention strategies, and support evidence-based decision making (EBDM).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

True or False: Data advocacy involves developing partnerships across the organization to promote EBDM.

A

True – Data advocacy includes forming partnerships to support evidence-based practices and modeling data-informed decision-making throughout the organization.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

True or False: Data gathering in HR means collecting as much data as possible from any available source.

A

False – Effective data gathering requires collecting sufficient, credible, and objective evidence, not just large quantities of data.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

True or False: Data analysis helps reveal patterns and detect logical relationships in information.

A

True – Data analysis involves organizing and examining data to uncover trends and logical connections that support decision making.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

True or False: Evidence-based decision making is only necessary at the executive level of an organization.

A

False – EBDM should be practiced across all levels of the organization to create a data-driven culture and ensure effective use of resources.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which of the following best describes the goal of analytical aptitude in an HR context?
A. Making decisions based on intuition
B. Reviewing employee complaints manually
C. Using data to objectively evaluate and solve problems
D. Relying on manager feedback for all actions

A

C. Using data to objectively evaluate and solve problems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is one responsibility of a data advocate within an organization?
A. Avoiding data collection to reduce administrative burden
B. Promoting intuition-based decisions
C. Encouraging the use of evidence-based decision making
D. Delegating all analysis to external consultants

A

C. Encouraging the use of evidence-based decision making

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which of the following is NOT a part of the SHRM Analytical Aptitude competency?
A. Data advocacy
B. Data interpretation
C. Data gathering
D. Data analysis

A

C. Data gathering

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What does effective data gathering in HR involve?
A. Collecting all employee data available
B. Gathering data from anonymous internet sources
C. Ensuring evidence is credible, sufficient, and objective
D. Using only past performance reviews

A

C. Ensuring evidence is credible, sufficient, and objective

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

True or False: The first step in evidence-based decision making is to gather as much data as possible before understanding the problem.

A

False – The first step is to Ask a question that translates the problem into something that can be answered through data, not to start with data collection.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

True or False: The “Appraise” step involves evaluating the quality and relevance of the evidence collected.

A

True – Appraising means determining if the evidence is relevant, valid, reliable, complete, accurate, and unbiased.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

True or False: In the “Aggregate” step, HR professionals use data to implement a solution.

A

False – Aggregating is about combining and organizing the data for analysis, not applying a solution yet.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

True or False: The “Apply” step in EBDM focuses on analyzing data, developing solutions, and taking action.

A

True – Apply involves using logical connections in the data to make decisions, propose solutions, and act.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

True or False: The final step in EBDM is to assess whether the objectives were met by monitoring outcomes.

A

True – The Assess step involves evaluating the effectiveness of the implemented solution by measuring outcomes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the purpose of the “Ask” step in evidence-based decision making?
A. To identify sources for data collection
B. To frame the problem as a question
C. To evaluate solutions
D. To measure the success of actions taken

A

B. To frame the problem as a question

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which step involves checking if the data is valid, complete, and unbiased?
A. Acquire
B. Apply
C. Appraise
D. Aggregate

A

C. Appraise

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

During which step does the HR professional gather data from internal records and external sources?
A. Ask
B. Acquire
C. Apply
D. Assess

A

B. Acquire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What does the “Aggregate” step primarily focus on?
A. Organizing and prioritizing collected data
B. Asking stakeholders for support
C. Applying statistical methods to data
D. Publishing findings in HR journals

A

A. Organizing and prioritizing collected data

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is the key activity in the “Assess” stage of EBDM?
A. Reviewing journal articles
B. Creating employee policies
C. Monitoring results and measuring success
D. Gathering new employee feedback

A

C. Monitoring results and measuring success

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

True or False: Developing a questioning mind means accepting traditional practices as best practice without further inquiry.

A

False – A questioning mind challenges the status quo by asking “Why?” and seeking evidence behind existing practices.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

True or False: One way to build scientific fluency is to conduct small research projects on HR practices.

A

False – HR data advocates gather data continuously, especially on system performance and stakeholder needs.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

True or False: Evidence-based communication involves backing recommendations to stakeholders with credible data.

A

True – Using evidence when communicating with organizational customers strengthens credibility and decision support.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

True or False: Institutionalizing EBDM in HR includes forming journal study groups and evidence-gathering task forces.

A

True – Establishing structured forums for ongoing learning and research helps embed EBDM into HR culture.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Which habit reflects the mindset of an HR data advocate?
A. Relying on anecdotal stories to justify HR practices
B. Asking “Why do we do this?” and “What’s the evidence?”
C. Accepting traditional approaches without review
D. Following only senior leaders’ intuition

A

B. Asking “Why do we do this?” and “What’s the evidence?”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What is one recommended way to build fluency in HR scientific literature? A. Subscribe to non-HR magazines B. Conduct performance reviews quarterly C. Undertake focused HR research projects D. Avoid reading controversial topics
C. Undertake focused HR research projects
26
What should HR practitioners do to understand the performance of systems like recruiting? A. Trust long-standing assumptions B. Conduct annual surveys only C. Gather data continuously on efficacy and efficiency D. Ask employees for informal opinions only
C. Gather data continuously on efficacy and efficiency
27
How should HR communicate with stakeholders to promote data-based decision making? A. Use only intuitive explanations B. Present recommendations backed by data C. Avoid technical language and references D. Minimize the use of research studies
B. Present recommendations backed by data
28
Which action supports institutionalizing evidence-based decision making in HR? A. Holding informal brainstorming sessions B. Forming journal study groups and evidence task forces C. Delegating research to external consultants only D. Posting articles on the breakroom bulletin board
B. Forming journal study groups and evidence task forces
29
True or False: Quantitative data is based on subjective opinions and cannot be used in statistical analysis.
False – Quantitative data is objective, verifiable, and suitable for statistical analysis, such as number of hires or average tenure.
30
True or False: Qualitative data may involve self-assessments or third-party ratings and can include observations and feelings.
True – Qualitative data includes subjective evaluations, such as employee satisfaction surveys or manager ratings, and captures behaviors or perceptions.
31
True or False: Only one type of data—either qualitative or quantitative—should be used in HR research to avoid complexity.
False – Both types of data are valuable in HR, and the purpose of the research determines which type(s) should be collected.
32
True or False: Assigning numerical values to qualitative data makes it as statistically meaningful as quantitative data.
False – While numerical values can be assigned to qualitative data (e.g., rating scales), they do not carry the same statistical meaning as true quantitative values.
33
True or False: Observing behaviors in high-performing teams to assess teamwork effectiveness is an example of collecting qualitative data.
True – Observing traits, behaviors, or team member feedback is a subjective process and falls under qualitative data collection.
34
Which of the following is an example of quantitative data? A. Manager’s opinion of team morale B. The average number of hires per quarter C. Employee comments from exit interviews D. Peer review descriptions of behavior
B. The average number of hires per quarter
35
What type of data is best for studying employee satisfaction or motivation? A. Only numerical compensation reports B. Quantitative data on benefits usage C. Qualitative self-assessments and feedback D. Sales performance metrics
C. Qualitative self-assessments and feedback
36
Why might an HR researcher collect quantitative data? A. To understand team culture B. To evaluate hiring manager satisfaction C. To measure average onboarding time D. To observe team behavior
C. To measure average onboarding time
37
What is a limitation of qualitative data? A. It cannot capture employee sentiment B. It is objective and verifiable C. It is not useful for HR D. It lacks statistical reliability and significance
D) It lacks statistical reliability and significance
38
Which of the following scenarios is most likely to involve qualitative data? A. Calculating cost per hire B. Measuring employee turnover rate C. Recording observations of how employees collaborate D. Tracking training attendance
C. Recording observations of how employees collaborate
39
True or False: A government labor agency is typically considered a more authoritative source than a personal blog.
True – Government agencies and academic institutions are viewed as credible, authoritative sources, unlike personal blogs, which may lack verification and peer review.
40
True or False: You should always trust data if it supports your argument, regardless of the original source.
False – Data should be evaluated for bias, relevance, authority, and logical interpretation, even if it aligns with your views.
41
True or False: It's acceptable to use outdated data if the concept is still considered classic.
False – While concepts may be timeless, data should be current to ensure relevance, especially when economic conditions or industry trends have changed.
42
True or False: A publication is more credible when it clearly cites its sources and those sources are reliable.
True – Clear and reliable citations enhance the credibility and trustworthiness of published information.
43
True or False: When evaluating a data-based argument, it's important to assess whether the conclusions drawn are logically supported by the data
True – Logical deductions from data are essential; otherwise, the argument lacks sound reasoning even if the data is accurate.
44
Which of the following sources is typically most authoritative? A. A government agency report B. A Reddit thread C. A personal blog D. A company’s social media post
A) A government agency report
45
Why is it important to assess a data source for bias? A. To make the data more entertaining B. To ensure it supports employee opinions C. To identify selective or “cherry-picked” data D. To confirm the data is lengthy
C. To identify selective or “cherry-picked” data
46
What is a red flag when evaluating data in a publication? A. Data is summarized in tables B. Sources are clearly cited C. No sources are listed or explained D. The article includes peer-reviewed references
C. No sources are listed or explained
47
Which question best helps determine if a source is still relevant? A. Is the author a professor? B. Was the data collected recently? C. Does the article have a lot of views? D. Are there typos in the report?
B. Was the data collected recently?
48
When reviewing a conclusion based on data, what should you check for? A. If the document includes graphics B. If the argument logically follows from the data C. If the article is short and easy to read D. If it mentions an executive summary
B. If the argument logically follows from the data
49
True or False: Interviews can help uncover specific insights from high-value employees or identify causes of disengagement in exit interviews.
True – Interviews are valuable for targeted feedback such as retention insights or understanding disengagement from departing employees.
50
True or False: Interviews are usually the only data collection method used in an organizational assessment.
False – Due to their time-intensive nature, interviews are rarely the sole method of data collection and are often supplemented with surveys or focus groups.
51
True or False: Interviews are ineffective in generating ideas for future research through focus groups or surveys.
False – Interviews can reveal comments and themes that suggest useful directions for future group research.
52
True or False: A major challenge in using interviews is ensuring that multiple interviewers conduct them consistently and without bias.
True – Standardization and training are essential to reduce interviewer bias and maintain consistency in data collection.
53
True or False: Interviews provide the opportunity for follow-up questions that are not possible in surveys or limited in focus groups.
True – One-on-one interviews allow for tailored follow-up questions, making them ideal for in-depth exploration.
54
What is one of the main advantages of using interviews as a data collection method? A. They are quicker than surveys B. They provide a broad statistical overview C. They offer a confidential space for deep insight D. They eliminate the need for training
C. They offer a confidential space for deep insight
55
Which of the following is a challenge of conducting interviews? A. They allow too much quantitative data B. They are difficult to document C. They require strong relationship-building skills and are time-intensive D. They do not influence survey design
C. They require strong relationship-building skills and are time-intensive
56
Why are interviews often not used as the only method for data collection? A. They are costly and labor-intensive B. They generate low response rates C. They are too impersonal D. They rely only on online platforms
A) They are costly and labor-intensive
57
Who might provide unique cultural insight during interviews? A. New hires B. HR generalists C. Organizational “heroes” respected across the company D. Temporary contractors
C. Organizational “heroes” respected across the company
58
Which of the following is a key reason to train interviewers before conducting interviews? A. To reduce the need for survey follow-ups B. To ensure responses are brief and vague C. To eliminate bias and ensure consistent data collection D. To create an anonymous feedback system
C. To eliminate bias and ensure consistent data collection
59
True or False: An interview guide is optional and usually discouraged when conducting effective interviews.
False – An interview guide is a key tool for effective interviews. It ensures consistency, supports valid data, and helps with data comparison.
60
True or False: Starting interviews with safe, non-threatening questions helps build rapport with interviewees.
True – Beginning with safe questions fosters trust and makes interviewees more comfortable sharing meaningful insights.
61
True or False: It is acceptable to significantly stray from the planned interview guide as long as the interview flows well.
False – While limited straying is acceptable, consistent questions improve the validity and comparability of data.
62
True or False: Effective interviewers should avoid reacting judgmentally and must maintain a neutral demeanor.
True – Neutral, nonjudgmental reactions encourage openness and ensure interviewees feel respected and safe.
63
True or False: Interviews should end by inviting the subject to share anything that wasn’t covered.
True – Ending with an open invitation allows for valuable insights that may not have been captured in the structured guide.
64
Why is an interview guide important during data collection? A. It prevents interviewers from asking sensitive questions B. It ensures all subjects receive the same questions for valid comparisons C. It reduces the need for note-taking D. It encourages long, unstructured conversations
B. It ensures all subjects receive the same questions for valid comparisons
65
Which of the following is a recommended practice for building a positive interview environment? A. Choose the location that’s most convenient for the interviewer B. Keep the interview length open-ended C. Respect confidences and maintain a neutral demeanor D. React strongly to surprising responses
C. Respect confidences and maintain a neutral demeanor
66
Which strategy helps interviewers balance good note-taking with maintaining rapport? A. Avoid taking notes entirely B. Rely only on memory C. Use quick note-taking techniques to reconstruct details later D. Use a recorder without informing the subject
C. Use quick note-taking techniques to reconstruct details later
67
When should an interviewer ask the subject if they have additional comments to offer? A. At the beginning, before structured questions B. After every question C. Only during follow-up interviews D. At the end of the interview
D. At the end of the interview
68
What kind of questions should be asked at the beginning of an interview? A. Deeply personal questions B. Controversial or emotionally charged topics C. Safe, general questions to build rapport D. No questions—start with silence
C. Safe, general questions to build rapport
69
True or False: Focus groups are designed to collect quantitative data that replaces surveys.
False – Focus groups collect qualitative data and are often used to enrich or follow up on quantitative survey results.
70
True or False: A focus group should represent a microcosm of the population being studied.
True – To ensure results are representative, focus group participants should reflect the diversity and characteristics of the larger population.
71
True or False: Voluntary participation in focus groups increases the likelihood of meaningful input from participants.
True – Voluntary participation ensures employees are more willing to share honest views, making discussions more productive.
72
True or False: Focus groups always allow for deep exploration of complex topics.
False – Time limits and group size can restrict the depth of discussion, making deep exploration challenging.
73
True or False: Groupthink is a potential drawback of focus groups.
True or False: Groupthink is a potential drawback of focus groups.
74
What is one primary purpose of using focus groups in HR research? A. To generate numerical statistics B. To replace all survey methods C. To gather in-depth feedback that complements survey data D. To evaluate employees’ individual performance
C. To gather in-depth feedback that complements survey data
75
Why is participant selection important in a focus group? A. To ensure the conversation stays on topic B. To include only upper management C. To ensure a representative sample of the population D. To limit the number of opinions shared
C. To ensure a representative sample of the population
76
Which of the following is a challenge of conducting focus groups? A. Participants often provide too many accurate responses B. Groupthink and going off topic C. No need for a facilitator D. Limited access to employee feedback
B. Groupthink and going off topic
77
What is a key advantage of using focus groups for data collection? A. Allows for anonymous input B. Prevents discussion from becoming emotional C. Encourages direct employee input and opinions D. Produces standardized statistical reports
C. Encourages direct employee input and opinions
78
How does voluntary participation benefit a focus group? A. It speeds up decision-making B. It ensures feedback will be limited to high-level employees C. It improves willingness to share honest opinions D. It reduces the time needed to train facilitators
C. It improves willingness to share honest opinions
79
True or False: Focus groups should be conducted in common areas like the employee break room for convenience.
False – Focus groups should take place in private, distraction-free environments (e.g., a conference room) to ensure comfort and confidentiality.
80
True or False: Clearly defined objectives are essential to guide focus group questions and discussion structure.
True – Well-defined objectives shape the entire focus group process, including question development and session flow.
81
True or False: Cultural and legal factors can impact how participants engage in focus group discussions.
True – Organizational and national cultures, as well as legal environments, can influence participation and the nature of the data gathered.
82
True or False: A facilitator should encourage diverse opinions while ensuring no single participant dominates the conversation.
True – Effective facilitators promote balanced participation and manage group dynamics without bias.
83
True or False: It is not necessary to assign a separate note taker during a focus group if the facilitator is experienced.
False – Having a dedicated note taker allows the facilitator to focus on managing group interactions and guiding the discussion.
84
Which of the following is the best location for a focus group? A. The employee break room B. A private conference room C. A crowded lunch area D. An open office space
B. A private conference room
85
Why is planning critical to a successful focus group? A. It allows for spontaneous discussions without limits B. It eliminates the need for a facilitator C. It defines objectives and shapes the group’s questions and structure D. It ensures anonymity for all participants
C. It defines objectives and shapes the group’s questions and structure
86
What is a key skill of a good focus group facilitator? A. Providing personal opinions B. Talking more than participants C. Managing group dynamics and resolving conflicts D. Writing the report during the session
C. Managing group dynamics and resolving conflicts
87
Which of the following is NOT a recommended trait for a focus group facilitator? A. Ability to listen actively B. Skill in conflict resolution C. Willingness to dominate the discussion D. Enthusiasm for the session
C. Willingness to dominate the discussion
88
What is the role of a recorder during a focus group? A. To lead the discussion B. To enforce time limits C. To limit the number of participants D. To track responses and allow the facilitator to focus on group dynamics
D) To track responses and allow the facilitator to focus on group dynamics
89
True or False: Mind mapping starts with general themes and branches into core ideas as the discussion progresses.
False – Mind mapping starts with core ideas, and then participants branch outward by adding related concepts and connections.
90
True or False: Affinity diagramming helps organize large volumes of data by categorizing related ideas into subgroups.
True – Affinity diagramming organizes pre-collected data into categories and subcategories to reveal logical relationships.
91
True or False: Nominal Group Technique (NGT) allows participants to propose ideas in a structured way and then refine them as a group.
True – NGT encourages idea generation in rounds, followed by group discussion, consolidation, and prioritization of ideas.
92
True or False: The Delphi technique involves group discussions in a room to foster brainstorming and creative synergy.
False – The Delphi technique is an anonymous, multi-round process designed to prevent groupthink and gather individual input.
93
True or False: One advantage of the Delphi technique is its ability to reduce the influence of dominant personalities in group settings.
True – Because it is anonymous and sequential, the Delphi technique avoids groupthink and minimizes the influence of dominant individuals.
94
Which focus group technique begins with core ideas and expands by identifying related thoughts and connections? A. Delphi technique B. Affinity diagramming C. Mind mapping D. Nominal group technique
C. Mind mapping
95
What is the main purpose of affinity diagramming? A. Generating new ideas in real time B. Reducing facilitator bias C. Categorizing large sets of existing data D. Encouraging spontaneous conversation
C. Categorizing large sets of existing data
96
Which technique uses structured rounds of idea generation followed by refinement and consensus-building? A. Nominal group technique B. Delphi technique C. Brainstorming D. Affinity mapping
A) Nominal group technique
97
What distinguishes the Delphi technique from other focus group tools? A. It uses live group discussions in open forums B. It allows only one round of responses C. It relies on anonymous responses and iterative feedback D. It focuses only on numerical data
C. It relies on anonymous responses and iterative feedback
98
Which of the following techniques is specifically designed to reduce “groupthink”? A. Mind mapping B. Affinity diagramming C. Delphi technique D. Nominal group technique
C. Delphi technique
99
True or False: Surveys and questionnaires are useful for gathering data from large and geographically dispersed populations.
True – These tools are cost-effective and efficient for reaching large, spread-out groups such as employees across shifts or locations.
100
True or False: Providing updates on actions taken based on survey results is optional and has no impact on future participation.
False – Communicating follow-up actions from surveys is crucial for maintaining trust and encouraging future participation.
101
True or False: Designing survey questions with analysis in mind means including primarily freeform, open-ended questions.
False – Effective survey design emphasizes quantifiable data (e.g., Likert scales) to allow easier analysis, while freeform input provides supplemental insights.
102
True or False: One limitation of surveys is the reliance on self-reported data, which may introduce bias.
True – Since surveys depend on participants' own input, responses can be influenced by personal bias, mood, or interpretation.
103
True or False: Observational data can reveal hidden workplace issues that employees may be unaware of or hesitant to share.
True – Observing behavior and environments helps HR identify unspoken or overlooked issues, such as poor leadership or toxic dynamics.
104
True or False: Using online surveys in workplaces where some employees lack internet access may skew results.
True – Unequal access can exclude segments of the population and affect both sample size and fairness of the research.
105
True – Unequal access can exclude segments of the population and affect both sample size and fairness of the research.
B. They are inexpensive and scalable to large groups
106
Which factor helps improve survey response rates? A. Using complex language B. Not explaining the purpose C. Keeping it long and detailed D. Making surveys short, clear, and explaining their importance
D. Making surveys short, clear, and explaining their importance
107
What is a common challenge of using surveys and questionnaires? A. They are only suitable for managers B. They always result in biased data C. Obtaining a representative and sufficient response rate D. They require face-to-face interaction
C. Obtaining a representative and sufficient response rate
108
Which method of collecting data bypasses the self-reporting filter found in interviews and surveys? A. Focus groups B. Surveys C. Observation D. Delphi technique
C. Observation
109
Which of the following is a valid reason to use observation as a data source? A. To collect anonymous responses B. To monitor sensitive workplace behaviors that may not be openly discussed C. To gather input from remote workers D. To replace all quantitative methods
B. To monitor sensitive workplace behaviors that may not be openly discussed
110
True or False: Existing data sources include only internal organizational documents and exclude public or industry data.
False – Existing data can come from internal sources, public records (like government data), and industry/professional associations.
111
True or False: HR professionals with analytical aptitude are well-equipped to extract insights from a wide variety of organizational reports.
True – Analytical Aptitude enables HR professionals to analyze and synthesize information from complex reports for informed decision-making.
112
True or False: Existing data is free from the bias that can result from interviews or observations.
True – Because the data already exists, it avoids the observer or interviewer bias that can influence live data collection methods.
113
True or False: Using existing documents and records requires little skill or experience, as the insights are usually obvious.
True or False: Using existing documents and records requires little skill or experience, as the insights are usually obvious.
114
True or False: One challenge of using existing data is that it may take time and creativity to locate relevant and useful information.
True – It can be time-intensive and may require ingenuity to locate, access, and interpret the right data sources.
115
Which of the following is an example of existing data a company may already have? A. Live feedback from a focus group B. A vision statement and company history C. Notes taken during an interview D. Survey response narratives
B. A vision statement and company history
116
Why is using existing data often advantageous for HR professionals? A. It avoids legal documentation B. It is always up to date C. It eliminates observer/interviewer bias D. It includes only opinions from leadership
C. It eliminates observer/interviewer bias
117
Which type of existing data might come from an HR information system? A. National unemployment statistics B. Turnover rates and incident reports C. Industry-wide growth projections D. Customer satisfaction ratings
B. Turnover rates and incident reports
118
What is one challenge associated with using existing data? A. It is too recent to be relevant B. It can be difficult to extract insights without experience C. It is always biased D. It replaces the need for any new data collection
B. It can be difficult to extract insights without experience
119
Which of the following would be considered an external source of existing data? A. HRIS employee turnover data B. Department meeting notes C. Financial statements from your company D. Benchmarking data from an industry association
D. Benchmarking data from an industry association
120
True or False: Artifacts can reveal unspoken or unconscious aspects of an organization’s culture.
True – Artifacts provide indirect insights into values, beliefs, and habits that employees may not express explicitly.
121
True or False: Artifacts include only physical items and do not extend to virtual environments like social media. Back:
False – Artifacts also include virtual environments, such as social media, which reflect perceptions of the organization.
122
True or False: Interpreting artifacts without enough cultural context can lead to incorrect assumptions.
True – A lack of cultural understanding can result in misinterpretation of the meaning or importance of artifacts.
123
True or False: Artifacts are most useful when their meaning aligns perfectly with other data sources.
False – Artifacts are valuable whether they confirm or contradict other findings, helping to refine or challenge conclusions.
124
True or False: Researchers can study artifacts without directly interacting with employees.
True – One benefit of using artifacts is that they can often be observed independently, without employee involvement.
125
What is an example of an artifact that might indicate a company values formal recognition? A. Informal conversations B. Diplomas and awards displayed in offices C. Survey questions about benefits D. Exit interview notes
B. Diplomas and awards displayed in offices
126
Why can artifacts be a valuable data source in organizational research? A. They always provide numerical data B. They replace the need for interviews or surveys C. They offer insight into unspoken aspects of culture D. They are never misinterpreted
C. They offer insight into unspoken aspects of culture
127
Which of the following is a risk when using artifacts as a data source? A. Employees may refuse to answer B. Surveys will conflict with findings C. Misinterpretation due to lack of cultural familiarity D. Data cannot be cross-referenced
C. Misinterpretation due to lack of cultural familiarity
128
What might a sparse, impersonal workspace suggest—depending on context? A. A strong company identity B. A culture that devalues individuality or simply employee preference C. Effective time management D. A focus on physical safety
B. A culture that devalues individuality or simply employee preference
129
When are artifacts most useful as a data source? A. When they match leadership statements exactly B. When they confirm or challenge findings from other sources C. When they provide financial performance metrics D. When no other data is available
C. When they provide financial performance metrics
130
True or False: HR professionals can use marketing data to support workforce planning and build business cases.
True – Marketing data provides insights about audiences and trends that can support HR planning and strategic decision-making.
131
True or False: Web analytics and internal marketing systems are irrelevant to HR and should be handled only by marketing teams.
False – Internal data sources like web analytics and marketing tech systems are valuable to HR, especially in collaboration with the marketing department.
132
True or False: Government and public data sources like Data.gov and the World Bank provide free market research that HR can use.
True – Many public data platforms offer free, searchable information valuable to HR professionals.
133
True or False: HR professionals should avoid using external private market research firms due to credibility concerns.
False – Reputable firms like Ipsos, Nielsen, and Gartner are trusted sources of reliable syndicated market data.
134
True or False: Analytical aptitude helps HR professionals extract value from marketing data for decision-making.
True – HR professionals with analytical skills can interpret and apply complex marketing data to support business and workforce strategies.
135
Which internal department is typically the best first source for HR professionals seeking marketing data? A. IT B. Sales C. Marketing D. Customer Service
C. Marketing
136
Which of the following is an internal source of marketing data for HR to consider? A. Gallup B. Google Trends C. Web analytics D. StatCan
C. Web analytics
137
What kind of information can market research data provide HR professionals? A. Payroll statistics B. Organizational structure charts C. Labor union contracts D. Target audience and population trends
D) . Target audience and population trends
138
Which of the following is an example of a public data source that offers free, searchable market data? A. Nielsen B. Ipsos C. Bureau of Economic Analysis (BEA) D. Gartner
C. Bureau of Economic Analysis (BEA)
139
What skill enables HR professionals to interpret marketing data and apply it effectively? A. Recruitment branding B. Payroll processing C. Analytical aptitude D. Organizational design
C. Analytical aptitude
140
True or False: Observation allows HR professionals to gather data that may be hidden or missed in interviews or surveys.
True – Observation bypasses self-reporting filters and can reveal behaviors or conditions that employees may not share directly.
141
True or False: Observational data is always completely unbiased since it comes directly from what the HR professional sees.
False – Observers must actively manage their own bias and interpretations to ensure the data is objective and accurate.
142
True or False: One advantage of observation is that it requires no interaction with the employees, making it time-efficient for them.
True – Since employees are not required to participate actively, observation can be a non-disruptive method of data collection.
143
True or False: Observation is always representative of organizational culture as a whole.
False – Observations reflect only a specific moment or event and may not represent all meetings or employee behaviors.
144
True or False: Observation can help an HR professional better understand workplace culture and dynamics.
True – Observing how people interact and perform tasks gives HR insight into team dynamics and organizational culture.
145
Which of the following is a key advantage of using observation as a data source? A. It eliminates the need for follow-up B. It provides firsthand, immediate data C. It always gives statistically representative insights D. It replaces the need for HR surveys
B. It provides firsthand, immediate data
146
Why might observational data become less reliable in certain situations? A. If employees have been with the company for many years B. If the observer is well known C. If the group is very aware of the observer D. If the workplace has a dress code
C. If the group is very aware of the observer
147
What is one challenge of conducting effective observation? A. Finding time in employees’ schedules B. Training participants to give better answers C. Remaining unbiased and unnoticed D. Requiring employees to record behaviors
C. Remaining unbiased and unnoticed
148
Which of the following is a limitation of using observation in data collection? A. It always requires surveys to support it B. It may not represent the entire organizational experience C. It can only be used with new employees D. It disrupts workflow significantly
B. It may not represent the entire organizational experience
149
Which of the following behaviors might an HR professional detect through observation that may not surface in interviews? A. Employees’ vacation preferences B. Negative team dynamics and weak leadership C. Employee compensation expectations D. Desired health benefits
B. Negative team dynamics and weak leadership
150
151
True or False: A data collection tool that yields drastically different results under the same conditions is considered reliable.
False. Reliability means consistency. If results vary significantly under the same conditions, the tool is not reliable.
152
True or False: Using different interview questions for each candidate increases the reliability of the data collected.
False. Consistency is key for reliability. Using different questions introduces variation, decreasing reliability.
153
True or False: Cultural differences can affect how survey questions are interpreted, impacting the reliability of data across regions.
True. Cultural context can lead to different interpretations, so tools must be tested across cultures for consistent results.
154
True or False: Rater bias can affect the reliability of observation-based assessments.
True. Inconsistent ratings from different observers suggest low rater reliability, which compromises data consistency.
155
True or False: Perfect reliability is difficult to achieve due to the many variables that can affect consistency.
True. Environmental differences, human error, and cultural factors often introduce inconsistency into data collection.
156
Which of the following best describes reliability in data collection? A. The data reflects the true situation B. The results are statistically significant C. The tool yields consistent results across conditions D. The data is representative of the population
C. The tool yields consistent results across conditions
157
Which situation is an example of unreliable data collection? A. A survey returns consistent results each quarter B. Different interviewers use unique sets of questions C. A scale measures weight accurately every time D. A test is given under the same conditions to all participants
B. Different interviewers use unique sets of questions
158
What can negatively impact the reliability of a cognitive skills test? A. Administering the test at a consistent time B. Controlling the testing environment C. Testing at different times of the day without adjustment D. Using culturally adjusted questions
C. Testing at different times of the day without adjustment
159
How can you check for rater reliability? A. Compare the results of different raters using the same tool B. Use identical questions for all participants C. Survey the same group repeatedly D. Adjust for cultural differences in survey tools
A) Compare the results of different raters using the same tool
160
Why might a survey tool yield different results across countries? A. Poor internet connection B. Differences in literacy rates C. Cultural interpretations of questions D. Survey length
C. Cultural interpretations of questions
161
True or False: Validity refers to how consistently a tool measures something.
False. Reliability refers to consistency. Validity refers to whether the tool measures what it is intended to measure.
162
True or False: A valid skill test for job applicants must measure skills that are actually required for the job.
True. Validity depends on the relevance of the skills being measured to the job’s requirements.
163
True or False: A tool that measures call frequency instead of customer satisfaction is a valid tool for assessing customer satisfaction.
False. The tool is not valid because it measures the wrong attribute for the intended outcome.
164
True or False: Using irrelevant criteria in an assessment tool can reduce its validity.
True. Irrelevant measures weaken a tool's ability to accurately assess what it’s designed to measure.
165
True or False: A tool that accurately selects only workplace-related injuries for analysis is an example of a valid data-gathering tool.
True. The tool aligns with its intended purpose, which supports its validity.
166
What is the primary purpose of validating a measurement tool? A. To make the tool easier to use B. To confirm the tool is reliable C. To ensure the tool measures what it’s intended to measure D. To shorten the survey process
C. To ensure the tool measures what it’s intended to measure
167
Which of the following would reduce the validity of a tool used for leadership development selection? A. Using traits that do not correlate with effective leadership B. Using the same questions for each candidate C. Measuring job-specific skills D. Testing the tool with a pilot group first
A. Using traits that do not correlate with effective leadership
168
A tool used to analyze workplace injuries includes off-the-job injuries. What problem does this cause? A. The tool is unreliable B. The tool is not cost-effective C. The tool lacks validity D. The tool is biased
C. The tool lacks validity
169
Which question is most directly related to assessing the validity of a data-gathering instrument? A. Does it deliver consistent results over time? B. Does it measure what it is supposed to measure? C. Is it easy to administer? D. Are the results statistically significant?
B. Does it measure what it is supposed to measure?
170
Why would a customer satisfaction study that focuses on call frequency lack validity? A. Call frequency is difficult to measure B. The sample size is too small C. Call frequency doesn’t accurately reflect customer satisfaction D. It measures too many variables
C. Call frequency doesn’t accurately reflect customer satisfaction
171
True or False: Statistical sampling is only used when it’s too expensive to gather data from the entire population.
False. While cost is one reason, sampling is also used when populations are too large or data is difficult to gather in full.
172
True or False: A sample must reflect the key characteristics of the population it represents to be considered valid.
True. A representative sample mirrors the population’s key traits, ensuring the findings are generalizable.
173
True or False: A very small sample size can increase the influence of statistical outliers.
True. Smaller samples are more susceptible to extreme values, which can distort results.
174
True or False: If a wage survey of employees in a job role does not include the same gender ratio as the actual workforce, the sample is still representative.
False. A representative sample must match population characteristics, such as gender ratios and experience levels.
175
True or False: Low response rates in surveys can lead to unrepresentative samples and unreliable data.
True. Low response rates can result in biased samples, missing key segments of the population.
176
Why is statistical sampling commonly used? A. It increases response rates B. It simplifies analysis by excluding outliers C. It allows analysis of large populations when full data is not feasible D. It avoids using representative data
C. It allows analysis of large populations when full data is not feasible
177
What makes a sample representative of a population? A. It excludes outliers B. It has a high number of respondents C. It matches the key demographic and experience characteristics of the population D. It uses only random responses
C. It matches the key demographic and experience characteristics of the population
178
What is a common risk of using a small sample size in data analysis? A. It eliminates bias B. It reduces cost and complexity C. It ensures statistical significance D. It increases the impact of outliers
D) It increases the impact of outliers
179
A wage survey includes only senior male employees, even though the workforce is mixed. What is the problem? A. The sample is too random B. The sample is not representative C. The population is too large D. The results are statistically significant
B. The sample is not representative
180
Which of the following weakens the reliability of survey data? A. A balanced gender ratio B. A sample that reflects years of experience in the population C. A high response rate D. A low response rate
D. A low response rate
181
True or False: Bias can occur in statistical studies even when data is entered correctly.
True. Bias can result from the study's design, even if all data is recorded accurately.
182
True or False: If a study's participants behave differently because they know they are being observed, this is known as response bias.
False. This is called performance bias, often illustrated by the Hawthorne effect.
183
True or False: Selection bias occurs when a study includes a higher percentage of participants from a specific group that is not reflective of the general population.
True. When participants are not randomly selected, the group may not represent the broader population, leading to selection bias.
184
True or False: Response bias can occur when only certain types of people choose to participate in a voluntary survey.
True. If only a non-representative subset responds, the results are skewed and not generalizable.
185
True or False: Incorrect training of raters can result in measurement bias.
True. Poorly trained raters may measure inaccurately, causing systematic measurement errors.
186
What type of bias occurs when participants behave differently because they are being studied? A. Selection bias B. Performance bias C. Sampling bias D. Measurement bias
B. Performance bias
187
Which of the following is an example of selection bias? A. HR invites only top-rated employees to join a study about remote work B. Employees behave differently because they know they are being observed C. A survey receives responses only from new parents D. A researcher makes an error entering survey results
A. HR invites only top-rated employees to join a study about remote work
188
A survey about new benefits receives mostly responses from young parents. What type of bias is this? A. Selection bias B. Sampling bias C. Response bias D. Measurement bias
C. Response bias
189
What is the risk when an HR study uses a sample with more older workers than the workforce actually has? A. The study is invalid B. The data is unreliable C. The sample is not representative D. The responses are too detailed
C. The sample is not representative
190
What action can HR professionals take to reduce bias and error in studies they design? A. Use complex surveys B. Avoid disclosing the study purpose C. Consult with statistical experts on methodology D. Only survey top performers
C. Consult with statistical experts on methodology
191
True or False: Data cleansing is a one-time task that should be performed only when needed.
False. Data cleansing is not ad hoc—it should be embedded as a routine process to ensure data integrity over time.
192
True or False: Data cleansing helps ensure that decisions are based on high-quality, accurate data.
True. By identifying and correcting incomplete, inconsistent, or erroneous data, cleansing improves decision-making.
193
True or False: Different departments collecting data in different formats does not affect data quality or usability.
False. Inconsistent formats and terminology can reduce data usability and lead to errors during analysis.
194
True or False: Outliers should always be included in the final dataset to maintain accuracy.
False. Outliers may distort analysis and should be reviewed to determine if they should be excluded.
195
True or False: Creating a common terminology across the organization supports effective data cleansing.
True. Standardized language improves data consistency and simplifies data integration across departments.
196
Why is data cleansing important in organizations? A. It ensures data is collected quickly B. It eliminates the need for surveys C. It helps correct and standardize data for accurate decision-making D. It avoids the need for collaboration between departments
C. It helps correct and standardize data for accurate decision-making
197
Which of the following is an example of a data cleansing task? A. Creating a marketing campaign B. Conducting an employee engagement focus group C. Removing a data point that is a clear outlier in a compensation survey D. Sending emails to all employees
C. Removing a data point that is a clear outlier in a compensation survey
198
How can organizations embed good data practices into their culture? A. Develop common terminology and standardized data collection B. Let each department choose its own terminology C. Conduct only annual reviews of data D. Collect only financial data
A) Develop common terminology and standardized data collection
199
What is a potential risk of failing to cleanse data? A. Increased employee engagement B. Improved speed in decision-making C. Poor decisions based on inaccurate data D. More transparent budgeting
C. Poor decisions based on inaccurate data
200
What should an HR compensation analyst do if one data source reports a 200% higher pay range than others? A. Use it to increase the average B. Ignore all other data sources C. Treat it as an outlier and investigate or remove it D. Automatically average it in
C. Treat it as an outlier and investigate or remove it
201
median,
or 50th percentile, is the middle value in a range of values. The median is the preferred measure of central tendency when the distribution in a dataset is skewed—when it contains a few excessively high or low values. It is also used in frequency distributions, which are described elsewhere.
202
mode
is the most frequently occurring value in a set of data.
203
True or False: Metrics are designed to explain the reasons behind patterns in the data.
False. Metrics provide counts and rates for comparison but do not explain the "why" behind the data.
204
True or False: Analytics allow HR to connect multiple data points to uncover patterns and drive strategy.
True. Analytics connect various data elements, revealing patterns that support strategic decisions.
205
True or False: Visual outputs are a key feature of analytics that help reveal trends and patterns in data.
True. Analytics tools often provide visualizations to make complex data easier to interpret.
206
True or False: Metrics are always better than analytics for understanding the root cause of a workforce issue.
False. Analytics are better for understanding root causes, while metrics are basic measurements.
207
False. Analytics are better for understanding root causes, while metrics are basic measurements.
True. Analytics uses historical and current data to make predictions about future outcomes.
208
What is the primary difference between metrics and analytics? A. Metrics are used only in finance B. Metrics explain the cause of trends C. Analytics explain the “why,” while metrics show “what” D. Analytics only show historical data
C. Analytics explain the “why,” while metrics show “what”
209
Which of the following is not a typical function of analytics? A. Providing data visualizations B. Forecasting future trends C. Identifying data patterns D. Counting headcount totals only
D) Counting headcount totals only
210
Which feature of analytics most directly supports strategic HR decision-making? A. Tabular outputs of employee counts B. Weekly reports of time clock data C. Connections between multiple data points D. Manual sorting of payroll data
C. Connections between multiple data points
211
How does analytics enhance HR’s ability to influence business strategy? A. By organizing documents B. By offering reactive solutions C. By revealing patterns that guide proactive decision-making D. By enforcing company policies
C. By revealing patterns that guide proactive decision-making
212
Which of the following best describes the role of metrics in HR data analysis? A. Predictive modeling B. Root cause identification C. Pattern detection D. Quantitative measurement and comparison
D. Quantitative measurement and comparison
213
True or False: Regression analysis is used to measure the relationship between one dependent variable and one or more independent variables.
True. Regression analysis identifies how independent variables affect a dependent variable.
214
True or False: Regression analysis can only be used with qualitative data.
False. Regression analysis requires quantitative (numerical) data to identify mathematical relationships.
215
True or False: A regression model can help HR predict future outcomes, such as turnover based on workload and compensation.
True. Regression is often used in HR to forecast outcomes like turnover or performance.
216
True or False: The results of a regression analysis show correlation, but not causation.
True. Regression shows the strength and direction of a relationship, but does not prove causation.
217
True or False: In a regression analysis, the dependent variable is the one being manipulated to predict the outcome.
False. The dependent variable is the outcome, and independent variables are what influence it.
218
What is the main purpose of regression analysis? A. To compare two pie charts B. To track attendance records C. To identify relationships between variables and make predictions D. To calculate payroll taxes
C. To identify relationships between variables and make predictions
219
In regression analysis, what is the dependent variable? A. The variable that influences other variables B. The variable being predicted or explained C. A variable that always stays constant D. A variable not included in the model
B. The variable being predicted or explained
220
Which of the following best describes multiple regression analysis? A. Examining the relationship between one variable and a constant B. Using multiple graphs to present data C. Using more than one independent variable to predict a dependent variable D. Comparing means across multiple groups
C. Using more than one independent variable to predict a dependent variable
221
An HR analyst wants to examine how education level, tenure, and performance score impact employee salary. Which analysis method should they use? A. Chi-square test B. Regression analysis C. Median comparison D. Standard deviation
B. Regression analysis
222
Which of the following is a limitation of regression analysis? A. It shows exact causes of outcomes B. It requires no statistical knowledge to interpret C. It assumes linear relationships between variables D. It works only for qualitative data
C. It assumes linear relationships between variables
223
True or False: Regression analysis can only test relationships between two variables.
False. Regression analysis can include multiple variables, such as in multiple regression models.
224
True or False: A scattergram is used in regression analysis to visualize the relationship between variables.
True. A scattergram plots data points and helps visualize correlations between variables.
225
True or False: Root-cause analysis works by projecting future outcomes based on changing variables.
False. Root-cause analysis is retrospective, working backward from an outcome to uncover the underlying cause.
226
True or False: The “five whys” technique is a method commonly used in root-cause analysis.
True. Asking “why” multiple times helps dig deeper to uncover the fundamental issue behind a problem
227
True or False: Scenario analysis uses hypothetical inputs to test how outcomes change under different conditions.
True. Scenario analysis helps forecast what-if situations and test the impact of different assumptions.
228
True or False: Monte Carlo simulations randomly vary input values to model thousands of possible future outcomes.
True. Monte Carlo analysis is a scenario modeling technique that uses random variation for forecasting risks and outcomes.
229
Which analysis method helps determine whether a relationship exists between variables and how strong it is? A. Root-cause analysis B. Monte Carlo simulation C. Regression analysis D. Scenario planning
C. Regression analysis
230
What does a scattergram represent in regression analysis? A. A chart of frequency counts B. A table showing mean values C. A diagram showing data points and possible correlations D. A timeline of events
C. A diagram showing data points and possible correlations
231
Which of the following best describes root-cause analysis? A. Testing how variables affect future outcomes B. Using historical trends to build financial models C. Working backward to find the fundamental cause of a problem D. Creating visualizations of metrics
C. Working backward to find the fundamental cause of a problem
232
What technique is often used in root-cause analysis to drill down to deeper problems? A. Cross-tabulation B. Monte Carlo simulation C. Descriptive analysis D. Five whys
D. Five whys
233
Which analysis tool would be most useful when evaluating potential future changes in a compensation strategy? A. Root-cause analysis B. Scattergram C. Scenario analysis D. Mode analysis
C. Scenario analysis
234
What is the main value of a Monte Carlo analysis in scenario planning? A. It visualizes only past performance B. It identifies exact causes of current problems C. It tests only one outcome at a time D. It generates many possible outcomes by varying input variables randomly
D. It generates many possible outcomes by varying input variables randomly
235
True or False: A strong business case should rely solely on intuition and past experiences.
False. A strong business case should rely on data and evidence to support proposals and guide decision-making.
236
True or False: The ability to turn data into a narrative is one of the most important aspects of using data in a business case.
True. Telling a fact-based story helps make data compelling and actionable for your audience.
237
True or False: Graphical representations of data can help challenge incorrect assumptions held by leadership.
True. Visualizing data makes trends and evidence more persuasive and easier to interpret, even when confronting biases.
238
True or False: Data alone is enough to create a persuasive business case.
False. Data must be interpreted and contextualized using storytelling, visuals, and alignment with business goals.
239
True or False: HR professionals should seek out existing reports from other departments to avoid siloed decision-making.
True. Proactively collaborating and sharing reports helps eliminate information silos and improves the quality of the business case.
240
Why is using data important in a business case? A. It replaces the need to present a conclusion B. It impresses the audience with complex spreadsheets C. It provides evidence to support decision-making and alignment with strategy D. It shows that HR can collect surveys
C. It provides evidence to support decision-making and alignment with strategy
241
What is the greatest contribution of data to a business case? A. Highlighting compliance issues B. Creating visually appealing charts C. Telling a compelling, fact-based story D. Reducing headcount
C. Telling a compelling, fact-based story
242
Why is graphical representation of data useful when presenting a business case? A. It helps inflate numbers B. It makes large datasets harder to question C. It ensures full compliance with HR regulations D. It helps communicate findings more clearly and efficiently
D) It helps communicate findings more clearly and efficiently
243
Which of the following is an example of using data to support a proposal? A. Recommending development programs without evidence B. Using certification success data to show higher performance C. Printing policies from other companies D. Citing anecdotes from exit interviews
B. Using certification success data to show higher performance
244
What should HR professionals do when relevant data from other departments is not immediately accessible? A. Skip it and proceed with available information B. Create new reports from scratch C. Reach out across departments to request relevant data D. Only use what HR has already stored
C. Reach out across departments to request relevant data
245
True or False: Pie charts are ideal for showing changes in trends over time.
False. Pie charts show data as parts of a whole, not how values change over time.
246
True or False: Histograms are useful for comparing categories of data and showing distribution.
True. Histograms display grouped data in columns to show distribution and comparisons.
247
True or False: A scatter diagram is used to evaluate the correlation between two variables.
True. Scatter diagrams plot two variables to reveal correlations or patterns in the data.
248
True or False: Pareto charts are based on the idea that most problems come from a small number of causes.
True. Pareto charts use the 80/20 principle—80% of effects come from 20% of causes.
249
True or False: A trend diagram is the best tool to show how a variable has changed over time.
True. Trend diagrams (line charts) are ideal for tracking patterns and changes over time.
250
Which graphic tool is most appropriate for showing the percentage breakdown of a workforce by generation? A. Histogram B. Scatter diagram C. Pie chart D. Trend diagram
C. Pie chart
251
Which tool would best help HR identify a pattern between employee absenteeism and workplace stress levels? A. Trend diagram B. Pareto chart C. Pie chart D. Scatter diagram
D. Scatter diagram
252
What is the main purpose of a Pareto chart? A. To show data trends over time B. To show part-to-whole relationships C. To identify the few causes responsible for the majority of problems D. To track employee hours
C. To identify the few causes responsible for the majority of problems
253
Which of the following tools is best for comparing recruitment source effectiveness based on employee performance? A. Pie chart B. Trend diagram C. Histogram D. Scatter diagram
C. Histogram
254