名词
中文翻译：Unknown
同义词：
['factor', 'ratio', 'coefficient of variation例句1：The coefficient of variation is a measure of how much the data varies from its mean.（变异系数是一个衡量数据与均值差异程度的指标。）例句2：In statistics', 'the coefficient of determination is used to quantify the amount of variance explained by a model.（在统计学中，决定系数用于量化模型解释的变异量。）']