You calculate a sample mean for three different groups. The accuracy of the average of the sample means is reflected by which of the following?
A) Standard error
B) Variance
C) Standard error of the mean
D) Degrees of freedom

Question

Quizplus · Accepted Answer

The standard error of the mean reflects the accuracy of the average of the sample means by quantifying the variability of the sample mean estimates from the true population mean.

You Calculate a Sample Mean for Three Different Groups