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 - Chapter 4 Exercises - Page 124: 4.40b

Answer

Set A: r = .664 Set B: r = .833 The correlations are different due to the different means and standard deviations for the data sets. The different deviations are different than what would be expected (since the two graphs were the same).

Work Step by Step

The correlations were calculated in Microsoft Excel.
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