The mean score on the sat writing section was 497 for the a, Ask an Expert

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The mean score on the SAT writing section was 497 for the a given graduating class. Noting that this test is scored on a scale of 200 to 800, which of the following is the most plausible value for the standard deviation of the scores?

A) 10

B) 110

C) -10

D) 300

E) 200

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