A simple random sample of 100 observations was taken from a large population. The sample mean and the standard deviation were determined to be 80 and 14 respectively. The standa…

Question

asked Jan 16, 2021 107k views

1 Answer

Lascoff · Answer 1 · 2021-01-21T20:14:07+0000

Answer:

Explanation:

The formula for calculating the standard error of the mean is expressed as shown below;

Standard error =
$(\sigma)/(√(n) )$

$\sigma$ is the standard deviation and n is the sample size.

Given
$\sigma$ = 14 and n = 100

Substituting this values into the formula fr calculating the standard error of the mean;

$SE = (14)/(√(100) ) \\\\SE = (14)/(10) \\\\SE = 1.4$

Hence, standard error of the mean is 1.4