# Question

For the multiple regression equation obtained in Exercise 16.11, determine the approximate

a. 95% confidence interval for the mean number of new visitors for clubs using a 5-column-inch ad and offering an $80 discount.

b. 95% prediction interval for the number of new visitors to a given club when the ad is 5 column-inches and the discount is $80.

a. 95% confidence interval for the mean number of new visitors for clubs using a 5-column-inch ad and offering an $80 discount.

b. 95% prediction interval for the number of new visitors to a given club when the ad is 5 column-inches and the discount is $80.

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