CENGAGENOW FOR ANDERSON/SWEENEY/WILLIAM
CENGAGENOW FOR ANDERSON/SWEENEY/WILLIAM
13th Edition
ISBN: 9781337094399
Author: Cochran
Publisher: IACCENGAGE
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Textbook Question
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Chapter 14.9, Problem 50E

Consider the following data for two variables, x and y.

xi 135 110 130 145 175 160 120
yi 145 100 120 120 130 130 110
  1. a. Compute the standardized residuals for these data. Do the data include any outliers? Explain.
  2. b. Plot the standardized residuals against ŷ. Does this plot reveal any outliers?
  3. c. Develop a scatter diagram for these data. Does the scatter diagram indicate any outliers in the data? In general, what implications does this finding have for simple linear regression?
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Chapter 14 Solutions

CENGAGENOW FOR ANDERSON/SWEENEY/WILLIAM

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