A regression analysis from a sample of 15 produced the following:

a. Produce the regression line.
b. Determine if there is a linear relationship between the dependent and independent variables. Use a significance level of 0.05 and a p -value approach.
c. Calculate a 90% confidence interval for the amount the dependent variable changes when the independent variable increases by 1 unit.

(Xi-F)(x .. y) = 156.4 (xi-i)2= 173.5 (y-5)-= 181.6 (y; _ y)-= 40.621 = 13.4 and v = 56.4 -