Stats: Data and Models (3rd Edition)

Published by Pearson
ISBN 10: 0321692551
ISBN 13: 978-0-32169-255-9

Chapter 23 - Inferences About Means - Exercises - Page 574: 4

Answer

See below.

Work Step by Step

As the degree of freedom increases, the speed decreases. Here the spread of distribution decreases as the degree of freedom increases, thus the critical value decreases.
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