**Describing Data**

**Pre Test**

1. The ______ is the average of the numbers in a set of data.

2. The ______ is the middle number in a set of data.

3. The _____ is the difference between the greatest and least numbers in
a set of data.

4. The _____ is the number that occurs the most in a set of data.

Use the following chart to answer questions 5-10.

5. In which month did Jennifer read the most books?

6. In which month did Jennifer read the least books?

7. What is the range of the data in the chart?

8. What is the mode of the data in the chart?

9. What is the median of the data in the chart?

10. What is the mean of the data in the chart?