而格朗萨索研究组的结果是六个标准差。
一组数据的标准差是这组数据和这组数据的平均值之间的平均距离。
The standard deviation of a set of numbers is the average distance the set of numbers is from the mean of the set of numbers.
一组数据的标准差是这组数据和这组数据的平均值之间的平均距离。
The standard deviation of a set of numbers is the average distance the set of numbers is from the mean of the set of numbers.
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