Asked by stacey
if IQ is normally distributed with a mean of 100 and a standard deviation of 10, what stand score (z-score) would represent a person with an IQ of 75?
Answers
Answered by
drwls
-2.5
That is, 2.5 standard deviations BELOW the mean
That is, 2.5 standard deviations BELOW the mean
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