大家不要笑我啊……
the arithmetic mean of a data set is 46 and the standard deviation of the set is 4. Which value is exactly 1.5 standard deviations from the arithmetic mean of the set?
其实题目都没看太懂,请大家帮帮忙吧
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这个类型好象给好多人解释过了。1.5 standard deviations mean 1.5 times the standard deviations
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