The Following Data Show the Results of an Aptitude Test $\alpha$

Essay

The following data show the results of an aptitude test (Y) and the grade point average of 10 students.
a.Develop a least squares estimated regression line.
b.Compute the coefficient of determination and comment on the strength of the regression relationship.
c.Is the slope significant? Use a t test and let $\alpha$ = 0.05.
d.At 95% confidence, test to determine if the model is significant (i.e., perform an F test).