Gross domestic product diagnostics revisited. In Exercise 33 we saw that there were several potential high inf

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Gross domestic product diagnostics revisited. In Exercise 33 we saw that there were several potential high inf luence points. After a researcher set aside those four countries, she refit the model in Exercise 33.

A plot of residuals vs. predicted values showed: image text in transcribed

a) What assumption and/or condition does the model violate?
A histogram of GDP per capita shows: image text in transcribed

b) Why might this be problematic? What might you suggest to the researcher before proceeding?

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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 09:00 AM

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Gross domestic product diagnostics revisited. In Exercise 33 we saw that there were several potential high inf

Question:

Residuals 20000 10000 -10000 0 -20000 0 10000 20000 30000 40000 Predicted

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