名词
中文翻译：标准差系数
同义词：
['standard deviation coefficient']
例句：
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1.The coefficient of variation is a measure of how much data points deviate from the mean.
变异系数是衡量数据点与均值偏离程度的指标。
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2. This formula calculates the coefficient of variation for a given range of values.
该公式用于计算给定值范围的变异系数。
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3. The coefficient of variation is used to compare the variability of different datasets.
变异系数被用来比较不同数据集的变异程度。