1. Most Popular Music Genre Animal Attack Rates Time Spent Studying
Examples
Athletics
Teen Pregnancy
Most Popular Music Genre
Animal Attack Rates
Time Spent Studying
Stress Levels
Sports Injuries

2. Definitions

3. Definitions
Statistics - the study of how to collect, organize, analyze, and interpret numerical information from data

4. Definitions Individuals - the people or objects included in the study
People getting attacked by sharks
Pro soccer players
High school football players

5. Definitions
Variable - Characteristic of the individual to be measured or observed
If attacked by shark
Distance ran in a game
Concussion Y/N?

6. Definitions
Quantitative Variable - has a value or numerical measurement for which operations such as addition or averaging make sense.
Distance ran
Running plays

7. Definitions
Qualitative Variable - describes an individual by placing the individual into a category or group, such as male or female

8. Definitions
Population data - the data is comprised from every individual of interest

9. Definitions
Sample data - the data is comprised from only some of the individuals of interest

10. Definitions
Parameter - a numerical measure that describes an aspect of a population

11. Definitions
Statistic - a numerical measure that describes an aspect of a sample

12. Definitions
Nominal level of measurement - applies to data that consist of names, labels, or categories. There are no implied criteria by which the data can be ordered from smallest to largest

13. Definitions
Ordinal level of measurement - applies to data that can be arranged in order. However, differences between data values either cannot be determined or are meaningless

14. Definitions
Interval level of measurement - applies to data that can be arranged in order. In addition, differences between data values are meaningful

15. Definitions
Ratio level of measurement - Applies to data that can be arranged in order. In addition, both differences between data values and ratios of data values are meaningful. Data at the ratio level have a true zero