How is the standard error of the mean calculated?
A)the population standard deviation divided by the square root of the size of the sample
B)the population standard deviation divided by the size of the sample
C)the square root of the size of the sample divided by the population standard deviation
D)the sample standard deviation divided by the size of the sample

Question

Quizplus · Accepted Answer

The standard error of the mean is calculated by dividing the population standard deviation by the square root of the size of the sample. This gives an estimate of the variability of the sample means that we might expect if we were to take many samples from the same population.

How Is the Standard Error of the Mean Calculated