Raul received a score of 70 on a history test for which the class mean was 70 with a standard deviation of 9. He received a score of 70 on a biology test for which the class mean was 70 with standard deviation 4. On which test did he do better relative to the rest of the class? O biology test O history test O the same
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If he scored higher than the average on a test, he did better relative to the rest of the class. If he scored lower than the average, he did worse relative to the rest of the class. Show more…
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