Confidence interval for a ratio of variances in bivariate nonnormal distributions

被引：4
|
作者：
Bonett, Douglas G. [1 ]
机构：
[1] Iowa State Univ, Dept Stat, Ames, IA 50011 USA
来源：
JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION | 2006年 / 76卷 / 07期
关键词：
cross-over design; dispersion; matched-pairs design; repeated-measures design; sample size;
D O I：
10.1080/10629360500107733
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The exact confidence interval for a ratio of variances can have coverage probability that is much smaller than the nominal level when sampling from nonnormal bivariate distributions. An approximate confidence interval is proposed that performs as well as the exact method in bivariate normal distributions but performs better in bivariate nonnormal distributions. An approximate sample size planning formula is proposed.
引用
收藏
页码：637 / 644
页数：8
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