为了计算我们财富的期望效用，你可能也得关注期望回报、或几何期望回报、或标准差。

To calculate the expected utility of your wealth, you might also have to look at the expected return, or the geometric expected return, or the standard deviation.

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标准差衡量色散、变异或扩散。

Standard deviation is a measure of dispersion, variation or spread.

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分析规程的精密度通常以一系列测量数值的标准差或相对标准差(变异系数)来表示。

The precision of an analytical procedure is usually expressed as the standard deviation or relative standard deviation (coefficient of variation) of a series of measurements.

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To calculate the expected utility of your wealth, you might also have to look at the expected return, or the geometric expected return, or the standard deviation.

要计算你财富的期望效用,你也许还要研究预期收益曲线,或几何预期收益率,或是标准差

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