A distribution of scores has a mean of μ = 50.One new score is added to the distribution,and the new mean is found to be μ = 48.From this result,you can conclude that the new score was _____.
A)greater than 50
B)less than 50
C)equal to 48
D)cannot answer from the information given

Question

Quizplus · Accepted Answer

Since the new mean is lower than the original mean, it means the new score must be below the original mean of 50. Therefore, the answer is B) less than 50.

A Distribution of Scores Has a Mean of μ =