Attempts I I Keep the Highest .-' '10 1 . Exercise 4.1 Suppose the SheminWilliams Company.f is interested in developing a simple regression model with paint sales CY) as the dependent variable and selling price (P) as the independent variable. Complete the folio wing worksheet and then use it to determine the estirrrlateer regression line. Selling Price Sales Sales Region {$/Gaon) (x 1000 Gal) '5 3: iii 3:3}: 1" iii 1 15 160 2,400 225 25,600 2 13.5 220 2,9?0 182.25 48,400 3 16.5 140 2,310 272.25 19,600 4 14.5 190 2,?55 210.25 36,100 5 17 130 2,210 289 16,900 6 16 160 2,560 256 25,600 7 13 200 2,600 169 40,000 8 18 150 2,?00 324 22,500 9 12 210 2,520 144 44,100 10 15.5 190 2,945 240.25 36,100 Total 151 1350 V 2,312 V