Prepare data for exploration - Module 1

Question 1

How data is collected

Answer 1

1. Interviews
2. Observations
3. Forms
4. Questionnaires
5. Surveys
6. Cookies

Question 2

Data collection considerations

Answer 2

1. How the data will be collected
2. Choose data sources
   3.Decide what data to use
3. How much data to collect
4. Select the right data type
5. Determine the timeframe

Question 3

First-party data

Answer 3

Data collected by an individual or group using their own resources

Question 4

Second-party data

Answer 4

Data collected by a group directly from its audience and then sold

Question 5

Third party data

Answer 5

Data collected from outside sources who did not collect it directly

Question 6

Key factor when deciding what data to use

Answer 6

The data you choose should apply to your needs and it must be approved for use

Question 7

Population

Answer 7

All possible data values in a certain dataset

Question 8

Sample

Answer 8

A part of the population that is representative of the population

Question 9

Discrete data

Answer 9

Data that is counted and has a limited number of values

Question 10

Continuous data

Answer 10

Data that is measured and can have almost any numeric value

Question 11

Nominal data

Answer 11

A type of qualitative data that is categorized without a set order

Question 12

Ordinal data

Answer 12

A type of qualitative data with a set order or scale

Question 13

Internal data

Answer 13

Data that lives within a company’s own systems

Question 14

External data

Answer 14

Data that lives and is generated outside of an organization

Question 15

Structured data

Answer 15

Data organized in a certain format such as rows and columns

Question 16

Examples of places to store structured data

Answer 16

1. Spreadsheets
2. Relational databases

Question 17

Unstructured data

Answer 17

Data that is not organized in any easily identifiable manner

Question 18

Examples of unstructured data

Answer 18

1. Audio files
2. Video files