Consider the advertising data given in Problem 2.18. Problem 2.18 Consider the fuel consumption data in Table

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Consider the advertising data given in Problem 2.18.

Problem 2.18

Consider the fuel consumption data in Table B.18. For the purposes of this exercise, ignore regressor $x_{1}$. Perform a thorough analysis of these data. What conclusions do you draw from this analysis?

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a. Construct a normal probability plot of the residuals from the full model. Does there seem to be any problem with the normality assumption?

b. Construct and interpret a plot of the residuals versus the predicted response.

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Introduction To Linear Regression Analysis

ISBN: 9781119578727

6th Edition

Authors: Douglas C. Montgomery, Elizabeth A. Peck, G. Geoffrey Vining

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Question Posted: Sep 19, 2024 02:31 PM

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Consider the advertising data given in Problem 2.18. Problem 2.18 Consider the fuel consumption data in Table

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Introduction To Linear Regression Analysis

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