Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 9 - Inferences from Two Samples - 9-4 Two Dependent Samples (Matched Pairs) - Basic Skills and Concepts - Page 473: 3

Answer

See below.

Work Step by Step

The test statistic is independent from units, hence it will remain the same. Also the confidence interval limits are re-evaluated in different units.
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