A population of N = 7 scores has a mean of $\mu$ = 10.If one score with a value of X = 4 is removed from the population, what is the value for the new mean?
A)70/6
B)66/7
C)66/6 = 11
D)cannot be determined from the information given

Question

Quizplus · Accepted Answer

The new mean is the sum of the remaining scores divided by the number of remaining scores. The sum of the remaining scores is 70, and the number of remaining scores is 6. Therefore, the new mean is 70/6 = 11.

A Population of N = 7 Scores Has a Mean μ\muμ

A Population of N = 7 Scores Has a Mean $\mu$