Answer Happy

A recent article in Business Week listed the "Best Small Companies." 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 Earnings Sales ($ ($ millions) millions) Company $ 90.7 Checkmate $ 4.9 Electronics 18.6 4.4 Royal Grip 19.9 1.3 M-Wave 71.7 8.0 Serving-N-Slide 58.6 6.6 Daig 46.4 41 Cobra Golf Sales Earnings ($ millions) ($ millions) $ 17.5 $ 2.6 12.3 1.7 19.6 3.5 52.2 8.2 28.6 6.0 69.2 12.8 . Let sales be the independent variable and earnings be the dependent variable. (Round your answers to 3 decimal places. Enter your answer to Part (d) in millions of dollars; e.g., enter $3,856,000 as 3.856)) (a)The coefficient of correlation is (b)The coefficient of determination is (c) The regression equation, with the coefficients, is Y'= Х (d)For a small company with $50 million in sales, an estimate of the earnings is millions of dollars.