Dixie Showtime Movie Theaters, Inc., owns and operates a chain of cinemas in several markets in the southern U.S. The owners would like to estimate weekly gross revenue as a function of advertising expenditures. Data for a sample of eight markets for a recent week follow. Weekly Gross Revenue Television Advertising Newspaper Advertising Market ($100s) ($100s) ($100s) Mobile 103.5 4.9 1.7 Shreveport 51.6 3.3 3.0 Jackson 75.8 4.0 1.5 Birmingham 127.8 4.2 4.0 Little Rock 134.8 3.2 4.3 Biloxi 101.4 3.6 2.2 New Orleans Baton Rouge 237.8 219.6 5.0 6.7 8.5 5.9 (a) Use the data to develop an estimated regression equation with the amount of television advertising as the independent variable. Let x represent the amount of television advertising. If required, round your answers to three decimal places. For subtractive or negative numbers use a minus sign even if there is a + sign before the blank. (Example: -300) +