Refer to Exercise 13.12. A command in the MINITAB regression menu provides output in which R2 and

Question:

Refer to Exercise 13.12. A command in the MINITAB regression menu provides output in which R2 and R2(adj) are calculated for all possible subsets of the five independent variables. The printout is provided here.
MINITAB output for Exercise 13.13
Best Subsets Regression: y versus x1, x2, x3, x4, x5
Response is y

a. If you had to compare these models and choose the best one, which model would you choose? Explain.
b. Comment on the usefulness of the model you chose in part a. Is your model valuable in predicting the overall score based on the chosen predictor variables?