Practice The owner of Showtime Movie Theaters, Inc., used multiple regression analysis to predict gross revenue (y) as a function of television advertising (1 ) and newspaper advertising (2). Values of y, $1, and $2 are expressed in thousands of dollars. Click on the datafile logo to reference the data. DATA file Weekly Gross Television Newspaper Revenue Advertising Advertising ($1000s ) ($1000s) ($1000s) 96 5.0 1.5 90 2.0 2.0 95 4.0 1.5 92 2.5 2.5 95 3.0 3.3 94 3.5 2.3 94 2.5 4.2 94 3.0 2.5 The estimated regression equation was y = 83.23 + 2.29:1 + 1.3022 a. What is the gross revenue expected for a week where $3,500 is spent on television (21 = 3.5) and $1,800 is spent on newspaper advertising (T2 = 1.8) (to 3 decimals)? $ thousand b. Provide a 95% prediction interval for next week's revenue, assuming that the advertising expenditures will be allocated as in part (a) (to 2 decimals). ($ thousand , $ thousand ) Check My Work Icon Ko X 11:56 W 3/28/20 lear