## CHAPTER 8: STATISTICS

**Lesson 3: The Mean of a Set of Data **

**Goal**

Determine the mean of a set of data.

**Builds Upon**

Student Book pages 346–351

**Instructions for Use**.

**Basketball Debate**

Read the problem and do the calculations to find out who is the better basketball player. Note that throughout this exercise mean is referred to as the “average”; however, in class we should always use the term “mean” as it is more precise (see Student Book p. 347)

**Comparing Properties of the Mean and the Median**

Read the tasks and questions and then change the data, by moving the dots on the number line, to accomplish each task and answer each question.

**Mean, Median, and Mode Calculator**

Enter numbers separated by comma and then click “calculate.”