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In a Set of Test Scores, the Mean Is 10

Question 56

Multiple Choice

In a set of test scores, the mean is 10 and the standard deviation is 2. With these two numbers we know that 95% of the scores fall between ________.

A) 9 and 11
B) 6 and 14
C) 4 and 16
D) 8 and 12

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