?

Statistics and Probability

Free Version

Upgrade subject to access all content

Easy

Point Estimate of the Population Mean

STATS-REFY3W

A sample of $25$ scores is obtained from a normal distribution with $\sigma = 20$. The sample mean is $72$.

Using this information, what is the point estimate of the population mean?

A

$76$

B

$72$

C

$72 ± 20$

D

$72 ± 4$