If the researcher knows that the mean is 60 and the standard deviation is 6,then the majority of the scores falling between +1 or -1 standard deviation of the mean fall between:
A)60 and 66
B)54 and 60
C)54 and 66
D)Not enough information is provided

Question

Quizplus · Accepted Answer

Scores falling within +1 or -1 standard deviation of the mean (60) would range from 60 - 6 = 54 to 60 + 6 = 66, thus encompassing options A and B together.

If the Researcher Knows That the Mean Is 60 and the Standard