1. Variables and Data

2. What is a variable?
A variable is a characteristic that changes or varies:

3. What is a variable?
A variable is a characteristic that changes or varies:
Over time

4. What is a variable?
A variable is a characteristic that changes or varies:
Over time, and/or
For individuals or objects

5. What is a variable?
A variable is a characteristic that changes or varies:
Over time, and/or
For individuals or objects
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6. What is an experimental unit?
An experimental unit is:
The individual or object on which a variable is measured.

7. What is an experimental unit?
An experimental unit is:
The individual or object on which a variable is measured.
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8. What is data?
Data is:
Individual pieces of information

9. What is data? Data is: Individual pieces of information.
A set of values of qualitative or quantitative variables.

10. Types of Data
Univariate data

11. Types of Data
Univariate data
Bivariate data

12. Types of Data
Univariate data
Bivariate data
Multivariate data

13. Types of Data
Data

14. Types of Data
Data
Qualitative

15. Types of Data
Data
Qualitative
Quantitative

16. Types of Data
Data
Qualitative
Quantitative
Discrete

17. Types of Data
Data
Qualitative
Quantitative
Discrete
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18. Types of Data
Data
Qualitative
Quantitative
Discrete
Continuous

19. Types of Data Data Qualitative Quantitative Discrete Continuous
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