The following data describes weekly gross revenue ($1000s), television advertising expenditures ($1000s), and newspaper advertising expenditures ($1000s) for Showtime Movie Theaters. Weekly Gross Television Newspaper Revenue Advertising Advertising ($1000s) ($1000s) ($1000s) 95 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 a. Find an estimated regression equation relating weekly gross revenue to television advertising expenditures and newspaper advertising expenditures (to 2 decimals). Revenue = TVAdv + NewsAdv b. Choose the correct plot of the standardized residuals against y. A. Standardized Residual B. Standardized Residual 2 .2 1.5 -1.5 -1 -0.5 -0.5 +#+ 90 91 92 93 94 95 Predicted y 90 91 92 93 94 95 Predicted y 0.5 -0.5 --1 .- 1 -1.5 -1.5 -2 -2 -2.5 -2.5