Question

Explain why a pettern in a residual plot can suggest that a linear model may not be a good fit for a set of data

Answer 1

The pattern in the residual plot suggests that our linear model may not be appropriate because the model predictions will be too high for values in the middle of the range of the explanatory variable and too low for values at the two ends of that range. A model with a curvilinear form may be more appropriate.

Explanation:

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