Batch 9 - May I please get help/guidance with the following homework question? Thank you for your help.

Q 25:

Given below are seven observations collected in a regression study on two variables, X (independent variable) and Y (dependent variable).

XY

212

39

68

77

86

75

92

a. What is the the least-squares estimated regression equation?

b. What is the hypotheses to test for the significance of the regression line?

c. What is the F test to determine whether or not the model is significant. Let = 0.05?

d. Would the t-test yield to a different conclusion?

e. What is the meaning of theslope in the context of the problem?

f. What is the coefficient of determination?

g. What is the meaning of the coefficient of determination in the context of the problem?