In Problem 13.10 on page 532, you used box office gross to predict DVD revenue (stored in

Question:

In Problem 13.10 on page 532, you used box office gross to predict DVD revenue (stored in Movie). Using the results of that problem,
a. determine the coefficient of determination, r2, and interpret its meaning.
b. determine the standard error of the estimate.
c. How useful do you think this regression model is for predicting DVD revenue?
d. Can you think of other variables that might explain the variation in DVD revenue?
In problem