For a certain exam, a score of 58 was 2 standard deviations below mean and a score of 98 was 3 standard deviations above

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C

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For a certain exam, a score of 58 was 2 standard deviations below mean and a score of 98 was 3 standard deviations above mean. What was the mean score for the exam?

A. 74
B. 76
C. 78
D. 80
E. 82

Answer: A

Source: GMAT Prep
Source: — Problem Solving |