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Ellabluebird
Level I

How do I interpret wilcoxon results table?

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I understand  the prob/ Chi Sq is my P value here. most of my tests were non significant. But hwat does the " Score mean" mean?

 

Its a non parametric test so it should be median, correct?

I'm trying to set up a results table and don't know how to show numerically the data that is significant and approaches significance.  This is what I had hoped to present but My mentors are confused because my data is non parametric and wilxocon by definition is a non parametric test.I guess I can just show box plots of the data....

 

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1 REPLY 1

Re: How do I interpret wilcoxon results table?

Please see the JMP documentation for this test.

 

Yes, it is a non-parametric test. That is, it is not based on a distribution model parameter. It is based on the ranks of the data. The scores are comparisons of the ranks to the median. The mean score summarizes each group. The difference in the mean scores is zero under the null hypothesis. That is, you expect about the same ranks in both groups when there is no difference between the groups.