Non-parametric tests Flashcards
Which is more powerful: parametric or non-parametrical tests?
Parametric
What is the input to the Mann-Whitney test?
Two samples of data
What is the Mann-Whitney test used for?
Compare the location and shape of two samples
What else is the Mann-Whitney test known as?
Wilcoxon rank-sum test
The Mann-Whitney test is very useful for small samples and effect size
T/F
False bad for both
What did is used in a Wilcoxon signed-rank test?
Paired of data (can be ordinal)
What is a Wilcoxon signed-rank test used for?
Discover the change in individual points between before and after
Is the Wilcoxon signed-rank test good for small or large samples?
Large
What is the non-parametric counterpart of the paired t-test?
Wilcoxon signed-rank test
What is the non-parametric alternative to the one-way anova?
Kruskal Wallis test
Are distributions relevant to the Kruskal-wallis test?
Nah
What is the purpose of the Kolmogorov-Smirnov test?
Compare distributions of two samples
Is the kolmogrov-smirnov test useful for small data or large?
Large