Arecent 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:

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answer each part:
a. determine with the independent and dependent variables are.
b. draw a scatter diagram
c. compute the coefficient of correlation
d. compute the coefficient of determination
e. interpret your findings in parts ( c ) and ( d )
f. determine the regression equation
g. for a small company with $50.0 million in sales, estimate the earnings