If we know that a set of test scores has a mean of 75 and a standard deviation of 8, we would conclude that

a. the average deviation from the mean is about 8 points.
b. the average person will have a score of 75 + 8 = 83.
c. more people are above 75 than below it.
d. You can't tell anything about how scores lie relative to the mean.


A

Psychology

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Psychology

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Psychology

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Psychology