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Standard Deviation

外汇网2021-06-20 20:16:12 71
英文名称:Standard Deviation 中文名称:标准差

"标准差是衡量一连串数值中某一数值与其平均值偏离程度的指标。它用于估算价格或许的波动程度,其数值与价格波动规模成正比。

e.g. The index is a weighted average of 85 existing monthly indicators of national economic activity, and is constructed to have an average value of zero and a standard deviation of one."

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