Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321755936
ISBN 13: 978-0-32175-593-3

Chapter 9 - Inferences Based on Two Samples - Exercises 9.30 - 9.50 - Applying the Concepts - Basic - Page 436: 9.38b

Answer

Since there are paired observations and samples are not independent, we should apply a paired-difference t test.

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