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
Correct Answer: A
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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
Correct Answer: A