A set of N = 4 scores has a mean of µ = 11.If 8 points are subtracted from one of the scores,what is the new value for the population mean?
A)13
B)11
C)10
D)9

Name: A set of N = 4 scores has a mean of µ = 11.If 8 points are subtracted from one of the scores,what is the new value for the population mean? A)13 B)11 C)10 D)9
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Question

Quizplus · Accepted Answer

The total sum of the scores is 4 * 11 = 44. Subtracting 8 from one score reduces the total sum to 36. The new mean is 36/4 = 9.

A Set of N = 4 Scores Has a Mean