Answer
t > 2.896
Work Step by Step
df = n - 1 = 9 - 1 = 8
$t_{α} = 0.01$
From student's t distribution table, we have:
$t_{0.01} = 2.896$
Hence rejection region will be: t > 1.2.896
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: 9.33d
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