The Null and Aternative Hypotheses for the Wilcoxon Rank Sun

question 131

True/False

The null and aternative hypotheses for the Wilcoxon rank sun test/Mann-Whitney U test are identical to those for the independent groups t test,except that they are stated in terms of the mean ranks.

Differentiate between symmetrical and asymmetrical distributions.

Apply the concept of distribution shape to appraise the range of abilities or opinions within a given sample.

Understand the purpose and application of grouped frequency distribution tables in summarizing data.

Know the best practices in selecting the number of intervals for grouped frequency distribution tables.

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