Nielsen Media Research collects data showing which advertisers get the most exposure during prime-time TV on ABC, CBS, NBC, Fox, UPN, and WB networks. Data showing the number of times the ad was aired and the number of household exposures in millions for the week of April 28-May 4, 1997 follow (USA Today, May 5, 1997). Advertised Brand Times Ad Aired Household Exposures Wendy's 28 191.7 Ford Escort 20 174.6 Austin Powers movie 14 161.3 Nissan 16 161.1 Pizza Hut 16 147.7 Saturn 16 146.3 Father's Day movie 11 138.2 We wish to develop the estimated regression equation to predict the number of household exposures given the number of times an ad is aired. Question 27: The value of the slope b is computed to be 3.0662. What is an appropriate interpretation for this slope? [ Select ] Question 28: Given the value of b above, compute the y-intercept a. [ Select ]