A LIKELIHOOD RATIO TEST FOR THE EQUALITY OF PROPORTIONS OF 2 NORMAL-POPULATIONS

被引：3
|
作者：
CHOU, YM
OWEN, DB
机构：
[1] UNIV TEXAS,DIV MATH COMP SCI & STAT,SAN ANTONIO,TX 78285
[2] SO METHODIST UNIV,DEPT STATIST SCI,DALLAS,TX 75275
来源：
COMMUNICATIONS IN STATISTICS-THEORY AND METHODS | 1991年 / 20卷 / 08期
关键词：
NONCENTRAL-T DISTRIBUTION; TESTS OF HYPOTHESES; NONCENTRAL CHI-SQUARE DISTRIBUTION; SIMULATION; PROCESS CAPABILITY INDEXES;
D O I：
10.1080/03610929108830638
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：
In sampling inspection by variables, an item is considered defective if its quality characteristic Y falls below some specification limit L0. We consider switching to a new supplier if we can be sure that the proportion of defective items for the new supplier is smaller than the proportion defective for the present supplier. Assume that Y has a normal distribution. A test for comparing these proportions is developed. A simulation study of the performance of the test is presented.
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页码：2357 / 2374
页数：18
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