Preliminary Tests of Normality When Comparing Three Independent Samples

被引：4

作者：

Lantz, Bjorn ^{[1
]}

Andersson, Roy ^{[2
]}

Manfredsson, Peter ^{[3
]}

机构：

[1] Chalmers Univ Technol, Dept Technol Management & Econ, Ind Engn, Gothenburg, Sweden

[2] Jonkoping Univ, Jonkoping, Sweden

[3] Univ Boras, Boras, Sweden

来源：

JOURNAL OF MODERN APPLIED STATISTICAL METHODS | 2016年 / 15卷 / 02期

关键词：

Normality; assumptions; preliminary tests; ANOVA; Kruskal-Wallis; Shapiro-Wilk;

D O I：

10.22237/jmasm/1478002140

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：

This paper uses simulation to explore the performance of a two-stage procedure where a preliminary Shapiro-Wilk test is used to choose between the ANOVA and Kruskal-Wallis tests as a three-sample location test. The results suggest that the two-stage procedure actually seems to be preferable when conducting such location tests.

引用

页码：135 / 148

页数：14

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