#### Answer

Pooled S.D = $s_{p} =0.5989$

#### Work Step by Step

Pooled S.D = $s_{p} = \sqrt (\frac{(5-1)(0.8562)^{2} + (4-1)(0.6481)^{2}}{5+4-2})$
= $\sqrt (\frac{2.93 + 1.26}{7}) = 0.5989$

Chegg costs money, GradeSaver solutions are free!

Published by
Pearson

ISBN 10:
0321755936

ISBN 13:
978-0-32175-593-3

Pooled S.D = $s_{p} =0.5989$

You can help us out by revising, improving and updating this answer.

Update this answerAfter you claim an answer you’ll have **24 hours** to send in a draft. An editor
will review the submission and either publish your submission or provide feedback.