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)between 50 and 52

Question

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)​between 50 and 52

Quizplus · Accepted Answer

If adding a new score decreases the mean from 50 to 48, then the new score must be lower than the mean of 50. Therefore, the correct answer is B) less than 50.

A Distribution of Scores Has a Mean of µ =