In Problem 13.10 on page 532, you used box office gross to predict DVD revenue. The data are stored in Movie. The company is about to release a movie on DVD that had a box office gross of $75 million.
a. What is the predicted DVD revenue?
b. Which interval is more useful here, the confidence interval estimate of the mean or the prediction interval for an individual response? Explain.
c. Construct and interpret the interval you selected in (b).