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    Statistical Tests of Ordinal Level Data

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    Five tests of ordinal level data are presented: the sign test, the median test, the Wilcoxon signed-rank test, the Wilcoxon rank-sum test, the Kruskal-Wallis analysis of variance by ranks.

    Select one of these tests and describe in your own words, the purpose of the test, any particular assumptions/limitations pertaining to the test, and provide an example where you could use the test.

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    Solution Preview

    This solution focuses on the median test.

    The median test is used to test whether two groups differ in their median value. In other words, it tests whether the two groups come from populations with the ...

    Solution Summary

    The solution explains the median test, along with its assumptions and limitations.