The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 5 - Regression - Apply Your Knowledge - Page 145: 5.11b

Answer

See below.

Work Step by Step

The mean and standard deviation are very strongly influenced by the outliers. The least square's regression line depends on the mean and standard deviation, thus it will also be strongly influenced by the outliers. Thus the last point is very influential.
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