A sample has a mean of M = 40.If 10 points are added to one of the scores,what happens to the sample mean?
A)it is unchanged
B)it increases
C)it decreases a little
D)it decreases substantially

Question

A sample has a mean of M = 40.If 10 points are added to one of the scores,what happens to the sample mean?​
A)​it is unchanged
B)​it increases
C)​it decreases a little
D)​it decreases substantially

Quizplus · Accepted Answer

Adding 10 points to one of the scores will increase the overall total of the sample, therefore increasing the sample mean.

A Sample Has a Mean of M = 40