The data shown to the right for the dependentvariable, y, and the independentvariable, x, have been collected using simple random sampling.

x

y

12

12

130

130

14

14

150

150

11

11

120

120

14

14

170

170

15

15

180

180

10

10

140

140

13

13

160

160

10

10

110

110

a. nbsp

a.

Construct a scatter plot for these data. Based on the scatterplot, how would you describe the relationship between the twovariables?

b. nbsp

b.

Compute the correlation coefficient.