Use computer software packages, such as minitab or excel, to solve this problem. the owner of showtime movie theaters, inc., would like to predict weekly gross revenue as a function of advertising expenditures. historical data for a sample of eight weeks follow. weekly television newspaper gross revenue advertising advertising ($1,000s) ($1,000s) ($1,000s) 97 5.0 1.5 90 2.0 2.0 95 4.0 1.5 92 2.5 2.5 105 3.0 3.3 94 3.5 2.3 94 2.5 4.2 97 3.0 2.5 a. develop an estimated regression equation with the amount of television advertising as the independent variable (to 1 decimal).