Question: Consider the data from Problem 9. (a) Make a residual plot for the least-squares model. (b) Use the residual plot to comment about the appropriateness

Consider the data from Problem 9.
(a) Make a residual plot for the least-squares model.
(b) Use the residual plot to comment about the appropriateness of the least-squares model for these data. (See Problem 19.)

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