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A student scored 81 on a chemistry test and 75 on a history test. For the chemistry test, the mean was 70 and the standard

A student scored 81 on a chemistry test and 75 on a history test. For the chemistry test, the mean was 70 and the standard deviation was 20. For the history test, the mean was 65 and the standard deviation was 8. Did the student do better on the chemistry test or the history test

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