Nature of Biostatistics

Question 1

oIt explores the collection,organization,analysis,and interpretation of numerical data.

Answer 1

Statistics: Nature of Biostatistics

Question 2

It is a branch of science that deals with the identification of the problem,collection,presentation,analysis,and interpretation of data.

Answer 2

Statistics: Nature of Biostatistics

Question 3

When the focus is on the biological and health sciences, we use the term_____

Answer 3

Biostatistics

Question 4

Uses of Statistics

Answer 4

• Data Reduction Technique.
• Tool for analyzing research project and clinical trials.
• Tool for objective appraisal and evolution of programs.
• Tool in decision making process and policy making.

Question 5

____means life; _____means data

Answer 5

Bio

Statistics

Question 6

a special branch of statistics which deals with quantitative and qualitative aspects of vital phenomena

Answer 6

Biostatistics

Question 7

data required in the planning,_____,and evolution of health programs.

Answer 7

Health Sciences

administration

Question 8

Uses of Biostatistics

Answer 8

• Epidemiology: distribution & determinants of health-related states and events
• Demography: study of human population
• Health economics: functioning of health care system and health affecting behaviors
• Genes and Genomics: Heredity, genes and functions

Question 9

Branch of Statistics

Answer 9

Descriptive Statistics

Inferential Statistics

Question 10

Devoted to the summarization and description of data.

Answer 10

Descriptive Statistics

Question 11

Branch of statistics concerned with&raquo_space; using sample data to make an inference about a population of data

Answer 11

Inferential Statistics

Question 12

Methods of arriving at CONCLUSIONS and GENERALIZATIONS about a target population based on information from a sample

Answer 12

Inferential Statistics

Question 13

It includes the construction of ____,_____,and ____.
Calculation of various descriptive measures such as ____/____,measures of _____,and _______.
What branch of statistic is this?

Answer 13

charts, graphs, tables
means/averages, measures of variation, and percentiles
DESCRIPTIVE STATISTICS

Question 14

oDescribes the important characteristics of a given set of data
oFacilitate understanding ,analysis,and interpretation of data

Answer 14

Descriptive Statistics

Question 15

At our health centre,50 patients were diagnosed with angina lastyear.
What branch of statistic is this example?

Answer 15

Descriptive Statistics

Question 16

oIt includes methods like ____ estimation,___ estimation and ____ testing which are all based on ______ theory.
oUsed to draw ______ or to make ______about what may happen in other subjects.
What branch of statistics is this?

Answer 16

point estimation, interval estimation and hypothesis testing; probability theory
conclusions, predictions
INFERENTIAL STATISTICS

Question 17

oAims to give information about the population by studying the _______of the sample drawn.
?

Answer 17

characteristics

INFERENTIAL STATISTICS

Question 18

all members of a specified group

Answer 18

Population

Question 19

subset of a population

Answer 19

Sample

Question 20

measure of a characteristic of a population

Answer 20

Parameter

Question 21

value of a characteristic that remains the same from person to person,from time to time or from place to place.

Answer 21

Constant

Question 22

characteristics takes on different values

Answer 22

Variable

Question 23

Every study or experiment yields a set of data

Answer 23

DATA PRESENTATION AND ANALYSIS

Question 24

Steps in Statistical Investigations

Answer 24

1. Identification of the problem
2. Collection of data
3. Presentation of data
4. Analysis of data
5. Interpretation of data

Question 25

Refers to the different methods and techniques of gathering data

Answer 25

Collection of data

Question 26

It refers to any information concerning to a population or sample.

Answer 26

Data

Question 27

Types of Data (According to Source)

Answer 27

- Primary Data | - Secondary Data

Question 28

Primary Data Examples

Answer 28

Interview, registration, experiment, questionnaire and etc.

Question 29

Secondary Data Examples

Answer 29

book, journal, newspaper, thesis, dissertation,etc.

Question 30

Types of Data (According to Functional relationship)

Answer 30

- Independent Data | - Dependent Data

Question 31

It refers to any controlling data.

Answer 31

Independent Data

Question 32

It refers to any data that is affected by the controlling data.

Answer 32

Dependent Data

Question 33

Categories of Variable

Answer 33

- Qualitative Variable | - Quantitative Variable

Question 34

Uses categories or attributes that are distinguished by some non-numeric characteristics.

Answer 34

Qualitative Variable

Question 35

It is consist of numbers representing counts or measurements.

Answer 35

Quantitative Variable

Question 36

Types of Quantitative Variable

Answer 36

- Discrete Data | - Continuous Variable

Question 37

- Quantitative data which can assume a finite or countable number of values. - Cannot be represented by fractions or decimals.

Answer 37

Discrete Data

Question 38

Quantitative data which can assume an infinity or many possible values corresponding to a point on a ___interval.

Answer 38

Continuous Data | line interval

Question 39

Measurement of Data

Answer 39

- Nominal Data - Ordinal Data - Interval Data - Ratio Data

Question 40

oData that consist of names, label or categories commonly used number to categorize data.

Answer 40

Nominal Data

Question 41

Measurement which deal with order and rank.

Answer 41

Ordinal Data

Question 42

It does not have a true-zero value starting point.

Answer 42

Interval Data

Question 43

A modified interval level which includes zero as a starting point.

Answer 43

Ratio Data

Question 44

Gender, marital status, or any alphabetic/numeric code without intrinsic order or ranking. What measurement of data is being used here?

Answer 44

Nominal Data

Question 45

Ranks or grades of students; Quality rating of service or product. What measurement of data is being used here?

Answer 45

Ordinal Data

Question 46

unique origin does not exists

Answer 46

Interval Data

Question 47

It is more powerful than ordinal scale due to equality of intervals

Answer 47

Interval Data

Question 48

TemperatureinFarenheit Standardizedscores What measurement of data is being used here?

Answer 48

Interval Data

Question 49

Have the same interpretation throughout, not perfect and is numerical only. Ratio or Interval

Answer 49

Interval

Question 50

Numerical and most informative measurement of data

Answer 50

Ratio

Question 51

Classify the measurements of data. Qualitative Data(Nonparametric) or Quantitative Data(Parametric)

Answer 51

``` -Qualitative Data (Nonparametric) Nominal Ordinal -Quantitative Data(Parametric) Interval Ratio ```

Question 52

Relation among Data Types: ________ ______ may be used to analyze interval and ratio data measurements. ----Enumerate the level of information of the Measurements of Data starting from the lowest-highest .

Answer 52

Nonparametric Statistics ----- Nominal - Ordinal - Interval- Ratio