Heres a scatterplot of the residuals from the regression in Exercise 18 plotted against mean Highway mph.

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Here€™s a scatterplot of the residuals from the regression in Exercise 18 plotted against mean Highway mph.
Here€™s a scatterplot of the residuals from the regression in

a) The point plotted with an x is Los Angeles. Read the graph and explain what it says about traffic delays in Los Angeles and about the regression model.
b) Is Los Angeles likely to be an influential point in this regression?

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Business Statistics

ISBN: 9780321925831

3rd Edition

Authors: Norean Sharpe, Richard Veaux, Paul Velleman

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