Oleksiy Voytsekhivskyy

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Questions related from Oleksiy Voytsekhivskyy

What test is more robust and appropriate for pairwise comparisons after Friedman's ANOVA?

I have many groups - from 10 to 30 with 200-500 in each. (not normal distribution) After Friedman's ANOVA test I have a significance P< 0.0000. Which Post-hoc test is more robust and...

01 January 1970 7,155 18 View

Can be a different P value for comparing two data groups with the same SD with another (third) group?

We have a 3 data group. Two of them have the same SD (standard deviation) values. When we perform the comparison of all these groups the groups with the same SD have a different level of...

01 January 1970 1,557 10 View