A two-stage sampling by unequal size samples from two normal populations with unknown variances

被引：0

作者：

Targhetta, ML ^{[1
]}

机构：

[1] UNIV CAGLIARI,DEPT MATH,I-09124 CAGLIARI,ITALY

来源：

METRIKA | 1997年 / 45卷 / 01期

关键词：

Behrens-Fisher problem; Scheffe test statistic; Stein's two-stage procedure;

D O I：

10.1007/BF02717091

中图分类号：

O21 [概率论与数理统计]; C8 [统计学];

学科分类号：

020208 ; 070103 ; 0714 ;

摘要：

A two-stage procedure based on the statistic introduced by Scheffe (1943) to solve the Behrens-Fisher problem is considered in estimating the difference between the mean values of two normal distributions having unequal and unknown variances. Samples of unequal size are considered at each stage. A numerical example is given where the two-stage procedure is compared with the Satterthwaite (1946) approximate method.

引用

页码：31 / 37

页数：7

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