The Mean, Standard Deviation, and Sampling Distribution of the Sample Mean

The Sampling Distribution of the Sample Mean

Answers

1. a.

$\mu_{X}=128, \sigma_{\bar{X}}=3.67$

3. a.

$\mu_{\bar{X}}=73.5, \sigma_{\bar{X}}=0.456$

5. a.

$0.0918$
b.

$\mu_{\bar{X}}=25.6, \sigma_{\bar{X}}=1.1$

7. a.

$\mu_{X}=557, \sigma_{X}=4.9497$

9. a.

$0.5818$
b.

$\mu_{\bar{X}}=1214, \sigma_{\bar{X}}=24.4$

11. a.

$\mu_{\bar{X}}=72, \sigma_{\bar{X}}=0.8944$

17. a.

$0.8036$

19.

$0.9994$

21. a. $0.2955$
b. $0.8977$