Plot the residuals against the predicted value of y and comment on what this plot means relative
Question:
Plot the residuals against the predicted value of y and comment on what this plot means relative to the aptness of the model.
a. Compute the standardized residuals and form these in a frequency histogram. What does this indicate about the normality assumption?
b. Comment on the overall aptness of this model and indicate what might be done to improve the model.
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Related Book For
Business Statistics
ISBN: 9781292220383
10th Global Edition
Authors: David Groebner, Patrick Shannon, Phillip Fry
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