The Mean, Standard Deviation, and Sampling Distribution of the Sample Mean: Answers | Saylor Academy

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The Mean and Standard Deviation of the Sample Mean

Answers

1. $\mu_{\bar{X}}=100, \sigma_{\bar{X}}=1.33$

3.

$\mu_{\bar{X}}=75, \sigma_{\bar{X}}=1.09$
$\mu_{\bar{X}}$ stays the same but $\sigma_{\bar{X}}$ decreases to $0.6$