Solution) Comparing Test Scores. Which is relatively better: a score of 85 on a psychology test or a score of
Question: Comparing Test Scores. Which is relatively better: a score of 85 on a psychology test or a score of 45 on an economics test? Scores on the psychology test have a mean of 90 and a standard deviation of 10. Scores on the economics test have a mean of 55 and a standard deviation of 5.
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