Refer to the data in Exercise 12.7. The normal probability plot and the residuals versus fitted values

Question:

Refer to the data in Exercise 12.7. The normal probability plot and the residuals versus fitted values plots generated by MINITAB are shown here. Does it appear that any regression assumptions have been violated? Explain.

MINITAB output for Exercise 12.31

Normal Probability Plot of the Residuals (response is y) 99 95 90- 80- 70- 60 50- 40- 30- 20- 10 01. -0.4 -0.3 -0.2 -0.1

Residuals versus the Fitted Value (response is y) 0.2- 0.1- 0.0- -0.1- -0.2- -0.3- 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Fitted Va

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Introduction To Probability And Statistics

ISBN: 9780495389538

13th Edition

Authors: William Mendenhall, Robert J. Beaver, Barbara M. Beaver

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Question Posted: Oct 03, 2018 01:55 PM

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Refer to the data in Exercise 12.7. The normal probability plot and the residuals versus fitted values

Question:

Normal Probability Plot of the Residuals (response is y) 99 95 90- 80- 70- 60 50- 40- 30- 20- 10 01. -0.4 -0.3 -0.2 -0.1 0.0 02. 0.3 0.4 Residual Percent Residuals versus the Fitted Value (response is y) 0.2- 0.1- 0.0- -0.1- -0.2- -0.3- 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Fitted Value jempisa

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Introduction To Probability And Statistics

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