6. Determine the estimated sales if 40 contacts are made. 17. FILE A recent article in Bloomberg Businessweek listed the "Best Small Compa- nies." We are interested in the current results of the companies' sales and earnings. A random sample of 12 companies was selected and the sales and earnings, in millions of dollars, are reported below. Company Papa John's International Applied Innovation Integracare Wall Data Davidson & Associates Chico's FAS X Sales Earnings ($ millions) ($ millions) $89.2 18.6 18.2 71.7 58.6 46.8 $4.9 4.4 1.3 Company Checkmate Electronics Royal Grip M-Wave Serving-N-Slide 8.0 6.6 Daig 4.1 Cobra Golf X M Sales Earnings ($ millions) ($ millions) $17.5 11.9 19.6. 51.2 28.6 69.2 $2.6 1.7 3.5 8.2 6.0 12.8 Let sales be the independent variable and earnings be the dependent variable. a. Draw a scatter diagram. b. Compute the correlation coefficient. c. Determine the regression equation. d. For a small company with $50.0 million in sales, estimate the earnings. orting in several rec​