Answer
t > 1.328
Work Step by Step
df = n - 1 = 20 - 1 = 19
$t_{α} = 0.10$
From student's t distribution table, we have:
$t_{0.10} = 1.1.328$
Hence rejection region will be: t > 1.328
Statistics (12th Edition)
by McClave, James T.; Sincich, Terry T.
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 - Learning the Mechanics - Page 435: 9.33b
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