pooled sample variance

石油英语词汇(P5) ... pooled sample statistics 合并样本统计量 pooled sample variance 合并样本方差 pooled sampling 集合采 …

电脑辅助设计 - 豆丁网 ... 百分位{= Percentile} 综合样本变异数{= Pooled Sample Variance} 随机变数{= Random Variable} ...

称为混合样本变异数(pooled sample variance)   S p 2 =[(m-1)*S 1 2 (n-1)*S 2 2 ]/(m n-2)         =[(15-1)*0.6 2 (15-1)*0...