知识扩展
词组短语 variance analysis方差分析；差异分析；analysis of variance方差分析

中文词源： variance
精选例句

常见考点例句：

Secondary sequence for fixed cost variance .

固定成本差异的次级顺序。

Could it be that variance in brain structure in these conditions contributes to the lack of social pleasure experienced by the patients ?

这些疾病中，大脑结构的变异造成缺乏社会愉悦是可能的吗？

Education : we educate families about best-outcome treatment and increase public awareness by providing information about autism prevalence , incidence and variance .

教育：我们让各个家庭知道治疗的良好效果，并且向公众提供关于自闭症流行性、发病率、变异性的信息从而提高他们的的意识。

They conflated high food prices with greater food price volatility , which is best defined as variance around the food price level .

他们把高居不下的食品价格和幅度较大的食品价格波动（最好定义为食品价格水平的方差）混为一谈。

Although their relative importance varies from study to study , obviously , as empirical evidence suggests , firm effects and market effects are together of paramount importance in explaining observed variance in business unit returns .

尽管它们的相对重要性在各次研究中都是不同的，但显然，正如实证研究所反映的，企业因素和市场因素合起来在解释观测到的业务单元回报方差上具有极其重要的影响。