Determine the regression equation. (Round your answers to 4 decimal places.) The regression equation with the coefficients is = + X (d) For a small company with $60 million in sales estimate

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e are interested in the current Show more A recent article in BusinessWeek 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 Sales ($ millions) Sales ($ millions) Sales ($ millions) Earnings ($ millions) Earnings ($ millions) Earnings ($ millions) Company Sales ($ millions) Sales ($ millions) Sales ($ millions) Earnings ($ millions) Earnings ($ millions) Earnings ($ millions) Papa Johns International $ 87.8 $ 4.7 Checkmate Electronics $ 15.6 $ 3.6 Applied Innovation 18.7 4.5 Royal Grip 12.7 2.0 Integracare 15.4 1.3 M-Wave 15.5 3.5 Wall Data 73.5 8.2 Serving-N-Slide 54.5 8.2 Davidson & Associates 56.0 6.8 Daig 26.7 6.1 Chicos FAS 45.7 4.2 Cobra Golf 65.5 10.7 Let sales be the independent variable and earnings be the dependent variable. (a) Compute the correlation coefficient. (Round your answer to 3 decimal places.) Coefficient of correlation (b) Compute the coefficient of determination. (Round your answer to 3 decimal places.) Coefficient of determination (c) Determine the regression equation. (Round your answers to 4 decimal places.) The regression equation with the coefficients is = + X (d) For a small company with $60 million in sales estimate the earnings. (Round your answer to 4 decimal places.) Estimated earnings $ millions Show less

 

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