Statistics (12th Edition)

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

Chapter 8 - Inferences Based on a Single Sample - Exercises 8.57 - 8.76 - Learning the Mechanics - Page 377: 8.61a

Answer

Rejection region = |t| > 1.260

Work Step by Step

df = n-1 = 14-1 = 13 $t_{α/2} = t_{0.025} = 2.160$ Hence Rejection region = |t| > 1.260
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