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Refer to exercise 7 where an estimated regression equation relating

Refer to exercise 7, where an estimated regression equation relating years of experience and annual sales was developed.

a. Compute the residuals and construct a residual plot for this problem.

b. Do the assumptions about the error terms seem reasonable in light of the residual plot?

a. Compute the residuals and construct a residual plot for this problem.

b. Do the assumptions about the error terms seem reasonable in light of the residual plot?

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