# Math check

posted by
**Sue 71**
.

A population has a standard deviation ó of 28 units. (Give your answers correct to two decimal places.)

(a) Find the standard error for the mean if n = 10.

SD/Sqrt of N = 28/10^=.28

posted by
**Sue 71**
.

A population has a standard deviation ó of 28 units. (Give your answers correct to two decimal places.)

(a) Find the standard error for the mean if n = 10.

SD/Sqrt of N = 28/10^=.28