If two groups of numbers have the same mean, then their:
A)standard deviations must also be equal
B)medians must also be equal
C)modes must also be equal
D)variances must also be equal
E)none of the above

Question

Quizplus · Accepted Answer

Having the same mean does not necessarily imply that two groups of numbers will have the same standard deviation, median, mode, or variance. These are all different statistical measures that can vary independently of the mean.

If Two Groups of Numbers Have the Same Mean, Then