1. Vocabulary for Mar 20-Mar 24 2017

2. Frequency

3. Frequency
Frequency describes the number of times a specific value occurs in a data set.

4. Frequency

5. Relative Frequency

6. Relative Frequency
Relative Frequency is the ratio of the number of data in each category to the total number of data items. The ratio can be expressed as a fraction, decimal or percent.

7. Relative Frequency

8. Relative Frequency Relative Frequency of an event =
the number of times the event occurs
the total number of trials

9. Categorical Data

10. Categorical Data
Categorical Data is a set of data that can be sorted or divided into different categories, according to the attributes of the data.

11. Categorical Data

12. Categorical Data
Different groups of cars are an example of Categorical Data.

13. Percent Bar Graph

14. Percent Bar Graph
A Percent Bar Graph is a bar graph that shows each category as a percent of the total number of data items.

15. Percent Bar Graph

16. Numerical Data

17. Numerical Data
Numerical data is data that is expressed with digits as opposed to letters or words.
For example, the weight of a desk or the height of a building is numerical data.

18. Numerical Data

19. End of Words