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Taz's anthropology professor drops the poorest exam grade in the term. Taz scored 79 on the first exam. The mean was 67 and the standard

Taz's anthropology professor drops the poorest exam grade in the term. Taz scored 79 on the first exam. The mean was 67 and the standard deviation, 4. On the second exam, Taz made 125. The class mean was 105 and the standard deviation, 15. On the third exam, the mean was 45 and the standard deviation, 3. Taz got 51. Which test should be dropped?

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