image CHECK IT OUT!

To do Check out Topic
Exercises 9–12 Example 1 Predictor variables and
response variables
Exercises 13a–20a Example 2 Constructing a
scatterplot
Exercises 13b–20b
and 21–26
Example 3 Describing the
relationship between
Exercises 13c–20c
and 31–34
Example 4 Calculating the
correlation coefficient
Exercises 13d–20d
and 27–30
Example 5 Interpreting the
correlation coefficient

201

For Exercises 9–12, two variables are given. Determine which variable is the predictor variable and which is the response variable .

Question 4.12

12. Attendance at a baseball game (in thousands), and the amount of rainfall at a baseball stadium that day (in inches).