The Basic Practice of Statistics 7th Edition

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

Chapter 4 - Scatterplots and Correlation - Chapter 4 Exercises - Page 122: 4.32c


The data appears to support the theory of a preference for their own babies.

Work Step by Step

The correlation was -.256 for the data, which is a negative number. This means that parents begin to ignore increases in begging by the foster babies.
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