The Basic Practice of Statistics 7th Edition

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

Chapter 4 - Scatterplots and Correlation - Apply Your Knowledge - Page 117: 4.12d

Answer

Point A's coordinates increase the mean and standard deviation and thus increase the correlation coefficient is closer to 1. Point B's coordinates do not have as large of an impact on the standard deviation and mean and thus push the correlation coefficient closer to 0.

Work Step by Step

Point A's coordinates increase the mean and standard deviation and thus increase the correlation coefficient is closer to 1. Point B's coordinates do not have as large of an impact on the standard deviation and mean and thus push the correlation coefficient closer to 0.
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