Listed below are the 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
|
Use 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 this data?