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Q. Given the data provided from a previous lesson, and the rank obtained via the Kruskal-Wallis technique,
R ̅_(1⋅)=8.1 R ̅_(2⋅)=13.9 R ̅_(3⋅)=4.9 R ̅_(4⋅)=15.1
we concluded that at least two treatment group means differed @ 0.05 significance level.
Use Dunn’s Q multiple comparison approach to calculate confidence intervals for all the pairwise differences between the treatments. Use the 95% confidence level to find out which ones are significantly different.
The Dunn's test (also called Bonferroni-Dunn test) can be used for both equal and unequal sample sizes. It is the equivalent post-hoc test to the Bonferroni approach.
Негізгі бет Dunn's "Q" Test (Post-Hoc Test for Non-Parametric Data)
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