Answer
We can suggest for the author to investigate the outliers and correct if necessary. Or the sample size can be increased to ward off the effect of outliers and increase the accuracy.
Work Step by Step
Given above.
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 4 - Review - Review Exercises - Page 249: 19f
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