The Basic Practice of Statistics 7th Edition

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

Chapter 24 - Inference about Variables: Part IV Review - Supplementary Exercises - Page 571: 24.47b

Answer

See below.

Work Step by Step

If we use matched pairs procedures, we need to know the mean and standard deviation of the differences of the pairs of the samples. These cannot be determined from the mean and standard deviation from the individual samples.
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