Draw a scatter diagram and in a complete sentence speculate on the linear relationship between the two variables.

X y

13 24

14 22

14 25

17 30

9 20

10 21

9 17

18 33

20 36

. Find the coefficient of correlation and in a complete sentence determine the strength of the relationship between the two variables.

Compute the coefficient of determination and in a complete sentence tell us what that means.

d. Find the equation of the regression line.

e. Is the regression between x and Y significant at 0.05? Why?

f. Use the linear regression equation to compute the value of Y when X is 15