A population has a mean of µ = 30.If 3 points are added to each score, what is the mean for the new distribution?
A)27
B)30
C)33
D)cannot be determined from the information given

Question

Quizplus · Accepted Answer

When a constant is added to every score in a distribution, the mean of the distribution increases by that constant. Therefore, adding 3 points to each score increases the mean from 30 to 33.

A Population Has a Mean of µ = 30