Question

Please help!!!
Describe the sampling distribution of x-bar for samples of size 20 drawn from a normal population with a mean of 50 and standard deviation of 4.

Answer 1

$$
\Large \mu_\bar{x} = \mu
\\ \Large \sigma_\bar{x} = \frac{\sigma }{\sqrt{n}}

$$

Answer 2

does that make sense?

Answer 3

here mu is the population mean
and sigma is the population standard deviation
n is the sample size

Answer 4

Yes, Thank you!