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Mary took a physics test and scored a 61. The class average was 52 and the standard deviation was 6. Sheila took a chemistry test
Mary took a physics test and scored a 61. The class average was 52 and the standard deviation was 6. Sheila took a chemistry test and scored a 74. The class average was 64 and the standard deviation was 8. Who performed better? What is the rationale for your answer, i.e., how do you know this?
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