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measures of variability是什么意思

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measures of variability是什么意思
差异量数
Measures of variability include range,interquartile range,standard deviation,andstandard error of the mean.
变异程度的测量包括范围、四分位差、标准偏差和平均数标准误差.
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We can calculate our measures of variability equally well for individual securitiesand portfolios of securities.
我们能够同样好的对个别证券和证券组合计算变异性的衡量标准.
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Instability index:An index which measures the variability of world prices forselected agricultural commodities.
不稳定指数:一种用于衡量部分农产品的国际价格变动的指数.