Walmart revenue, part 3. Consider the model you fit in Exercise 37 to predict Walmarts revenue from

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Walmart revenue, part 3.

Consider the model you fit in Exercise 37 to predict Walmart’s revenue from the Retail Index, CPI, and Personal Consumption index.

a) Plot the residuals against the predicted values and comment on what you see.

b) Identify and remove the four cases corresponding to December revenue and find the regression with December results removed.

c) Does it seem that Walmart’s revenue is closely related to the general state of the economy?

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Business Statistics

ISBN: 9781292269313

4th Global Edition

Authors: Norean Sharpe, Richard De Veaux, Paul Velleman

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Question Posted: Sep 07, 2024 09:01 AM

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Walmart revenue, part 3. Consider the model you fit in Exercise 37 to predict Walmarts revenue from

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