Answer
2,138.7097
Work Step by Step
$s^{2}_{p} = \frac{(16-1)2500 + (17-1)1800}{16+17-2}$
= $\frac{37500 + 28800}{48} = 2,138.7097$
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 9.1 - 9.29 - Learning the Mechanics - Page 423: 9.8d
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