A one way ANOVA is used to compare two means from two independent (unrelated) groups using the F-distribution. The null hypothesis for the test is that the two means are equal. From zhihu.com
一、方差分析定义 1、基本思想 方差分析(Analysis of Variance,简称ANOVA),是由R.A.Fisher发明的,,由英国统计学家R.A.Fisher首创,为纪念Fisher故以F命名,所以 方差分析又称“F检验”。 用于两个及两个以上样本均数差异的显著性检验。 From zhihu.com
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