Find better relative to class using standard deviation

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If Suzie gets a 70 in a statistics class where the mean is 65 and the standard deviation is 5.8, but Kathy gets a 90 in a different statistics class where the mean is 85 and the standard deviation is 4.59, who did better relative to their class? Note both did better than the class mean. How do you answer this question?

Reference no: EM13114861

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