Hypothesis testing for population correlation coefficient and linear regression equation.
Listed below are annual income (in thousands of dollars) and the amount of life insurance (in thousands of dollars) of eight families of the same size.
Annual Income

10

13

15

18

21

24

27

30

Amount of insurance

15

12

25

20

25

30

35

32

Utilize a 0.05 significance level; determine if there is a linear correlation between annual income and the amount of insurance? What is the linear regression line for the data?