The standard deviation measures spread by looking at how far the observations are from their mean.
标准偏差可查看各个观测值离均值有多远,衡量数据的散布.
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风险管理, 例如, 依赖于工具,如方差, 标准差, 相关和回归分析.
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Limit how many times standard deviation a point has to be below surface to be classified.
限定多少圈标准偏差为一个点是必须低于表面并分类.
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The standard deviation of average birth weight of piglets in a bigger litter increases Table 2.
窝仔数越多,平均出生重的标准差越大.
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方法标准偏差为0.02, 变异系数为 0.24% .本方法可适用于霜脲氰及其复配制剂的分析.
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结果校正因子为 0.8551,本方法相对标准偏差小于3.5%,精密度、灵敏度较高.
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Risk for our purposes in the variability of returns and may be measured standard deviation.
风险是预期收益不能实现的可能性,可用标准差来度量.
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次要是猜测统计的尺度不确和最不小值和最小值之间的不同边界.
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Remember that the market portfolio's standard deviation was about 13 percent in the 1990 s.
记得市场组合的标准差在二十世纪九十年代约为13%.
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This spread of possible outcomes is usually measured by standard deviation.
这一未来结果的展步通常以标准差衡量.
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