A measure of risk removed, i.e., the reduction of variance of key project metrics.

去除的风险测量，即，减少关键项目度量标准的方差。

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Statistical methods for combining the results of studies generally weight the influence of each study by the inverse of the variance for the estimated measure of effect.

合并研究结果的统计学方法通常采用待估效应测量值的方差的倒数来对每一个研究的影响进行加权。

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The average size is 3,131 square feet, with a standard deviation of 655 square feet. (Standard deviation is a statistical measure of variance.)

平均大小为 3,131 平方英尺，标准偏差为 655 平方英尺（标准偏差是一个描述差异的统计量度）。

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There's also another variance measure, which we use in the sample-- There's also another variance measure, which is for the sample.

还有另一个离散指标,我们用以考察样本,这是另一个离散指标,用于考察样本

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Central tendency is a measure of the center of a probability distribution of the-- Central tendency is a measure-- Variance is a measure of how much things change from one observation to another.

集中趋势用以描述,一组概率分布的中心,集中趋势...,而方差衡量的是,各个观察值之间的变化

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