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OpenStudy (anonymous):
Can someone please help me with Stats, I would like to know why this answer is the right one? *Which is relative better a score of 68 on a psychology test or a score of 47 on an economics test? scores on the psychology test have a mean of 86 and a standard deviation of 6. scores on the economics test have a mean of 64 and a standard deviation of 8. I choose: The Economic test score is relatively better because its Z score is greater than the Z score for the psychology test score. Please help!! Thanks!
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