1. Based on the data shown below, calculate the correlation coefficient (rounded to three decimal places)

x y222.88324.07420.06519.35620.14718.63819.02915.811017.5

2 22.88

3 24.07

4 20.06

5 19.35

6 20.14

7 18.63

8 19.02

9 15.81

10 17.5

1. he following is data for the first and second Quiz scores for 8 students in a class.

First Quiz Second Quiz

10 5

11 13

19 15

24 20

27 24

29 26

32 28

44 35

Plot the points in the grid below, then sketch a line that best fits the data.