The fact that the sample means are less variable than the population data can be observed from the standard error of the mean.

Question

Quizplus · Accepted Answer

This is true, as the standard error of the mean (SEM) measures the variability of the sample means from multiple samples taken from the same population. Generally, the SEM is smaller than the standard deviation of the population, indicating that the sample means are less variable than the population data.

The Fact That the Sample Means Are Less Variable Than