## Statistics (12th Edition)

Published by Pearson

# Chapter 9 - Inferences Based on Two Samples - Exercises 9.1 - 9.29 - Learning the Mechanics - Page 423: 9.7b

#### Answer

Mean = 10 Standard Deviation = 0.3

#### Work Step by Step

$µ_{x̅2}$ will be the mean of population 2, which is 10. $σ_{x̅2} = \frac{σ_{2}}{\sqrt n_{2}}$ = $\frac{3}{\sqrt 100} = 3/10 = 0.3$

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