Returns the average of the absolute deviations of data points from their mean. Arguments can be Numbers or names, arrays, or references that contain Numbers.
返回一组数据点到其均值的绝对偏差的平均值。参数可以是数字或名称，数组或包含数字的引用。
Returns the average of the absolute deviations of data points from their mean. Arguments can be Numbers or names, arrays, or references that contain Numbers.
返回一组数据点到其均值的绝对偏差的平均值。参数可以是数字或名称，数组或包含数字的引用。
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