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Regression analysis for sales and earnings

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Is there any way you can help me determine the regression equation on the following problem. I have done all of it but part 5

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Solution Summary

Regression analysis for sales and earnings. Regression model, Coefficient of correlation, coefficient of determination, regression equation and a scatter diagram are determined based on the data.

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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 Sales($ Millions) Earnings($ Millions)
Papa John's 89.2 4.9
Applied Innovation 18.6 4.4
Integracare 18.2 1.3
Wall Data 71.7 8.0
Davidson Associates 58.6 6.6
Chico's Fas 46.8 4.1
Checkmate ...

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