Question: Residual Plot: Miles per Gallon Consider the data of Problem 9. (a) Make a residual plot for the least-squares model. (b) Use the residual plot

Residual Plot: Miles per Gallon Consider the data of Problem 9.

(a) Make a residual plot for the least-squares model.

(b) Use the residual plot to comment about the appropriateness of the leastsquares model for these data. See Problem 19.

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