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Mathematics Clinic => Statistics => Topic started by: aeb093 on Feb 26, 2023

Title: With the KruskalWallis test, the data from allksamples are combined and each observation is assigned ...
Post by: aeb093 on Feb 26, 2023

Question 1

Which of the following tests uses matched-pairs sampling?

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Wilcoxon signed-rank test

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Wilcoxon rank-sum test

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Mann–Whitney test

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Kruskal–Wallis test

Question 2

With the Kruskal–Wallis test, the data from allk samples are combined and each observation is assigned a rank. What is done in the case of equal values?

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As the data are all from continuous distributions, this will never happen.

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The observations are assigned the mean rank for their positions in the ordered list.

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The observations are thrown out and not considered in the analysis.

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The equal values are arbitrarily assigned an appropriate rank in sequence.

Title: With the KruskalWallis test, the data from allksamples are combined and each observation is assigned ...
Post by: kyledifference on Feb 26, 2023

Answer 1

Wilcoxon signed-rank test

Answer 2

The observations are assigned the mean rank for their positions in the ordered list.