In the following, 
, what does the z-score tell us?
A. that the population mean is 2.33 SDs above the current class mean
B. that the current class mean is 2.33 SDs above the population mean
C. that the current class mean is 2.33 SDs below the population mean
D. that the population mean is 2.33 SDs below the current class mean
Answer: B
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