Multiple Choice
A Z score of -0.5 means that the case's raw score is how much less than the sample mean?
A) five standard deviations less than the mean
B) half a raw unit deviation less than the mean
C) half a standard deviation less than the mean
D) It is impossible to answer without knowing the size of the sample's standard deviation.
Correct Answer:
Verified
Correct Answer:
Verified
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