Answer
Reject Null hypothesis
Work Step by Step
From the given values, we have:
$t = \frac{-7}{8/\sqrt 16} = \frac{-7}{4} = -3.5$
Since rejection region < 1.341, so null hypothesis will be rejected
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: 9.34b
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