Standard Deviation
网友投稿• 2022-01-05 13:27:46 •阅读75
英文名称：Standard Deviation 中文名称：标准差"标准差是衡量一系列数值中某一数值与其平均值偏离程度的指标。它用于估算价格可能的波动程度，其数值与价格波动范围成正比。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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