方差未知时两总体均值的比较  

Comparison of Two Population Means with Unknown Variances

作　　者：汪四水[1] 

机构地区：[1]苏州大学数学科学学院,江苏苏州215006

出　　处：《大学数学》2009年第2期185-189,共5页College Mathematics

摘　　要：给出了方差未知时两总体均值比较的近似方法(Welch-Satterthwaite方法),Bayes方法和一个Monte Carlo模拟算法,并用一个算例进行了比较.Three methods were given for comparison the two population means with unknown variances, such as Welch-Satterthwaite method, Bayes method and a simulation method. An example shown that the simulation method was feasible.

关 键 词：Welch—Satterthwaite方法 BAYES方法 MONTE CARLO模拟 

分 类 号：O212[理学—概率论与数理统计]