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A set has an average (arithmetic mean) of 42 and a standard deviation

Monday 15 August 2016, by Bunuel

A set has an average (arithmetic mean) of 42 and a standard deviation of 1.8. Which of the following values is two standard deviations away from the mean? A. 36 B. 38.4 C. 40.2 D. 43.8 E. 75.6


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