Standard error of the mean is:
A)a measure of dispersion of a large population.
B)a measure of dispersion of large sample.
C)the standard deviation of a distribution of sample means.
D)the error in the computation of population standard deviation.
E)none of these

Question

Quizplus · Accepted Answer

Standard error of the mean is the standard deviation of a distribution of sample means. It is used to estimate the precision of the sample mean as an estimate of the population mean. It is not a measure of dispersion of a large population or a large sample, nor is it the error in the computation of population standard deviation.

Standard Error of the Mean Is