Application of Non-Parametric Statistical Tests in Analyzing Creativity Scores

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Application of Non - Parametric Statistical Tests in Analyzing Creativity Scores Part B In this assignment, you will perform the non - parametric version of the tests you used previously. In each case, assume that you opted to use the non - parametric equivalent rather than the parametric test. Using the data files from earlier assignments, complete the following tests and paste your results into your document: 1. Activity 4a: non - parametric version of the dependent t test The data is paired. And the Non parametric version of paired t test is Wilcoxon Signed Ranks Test . Null Hypothesis, Ho: The mean difference in ranks of two groups namely creativity pre and post - test is zero. Alternative Hypothesis, H1: The mean difference in ranks of two groups namely creativity pre and post - test is not zero. The following output is obtained from the SPSS on performing Wilcoxon Signed Ranks Test and keeping level of significance as alpha = 0.05 Ranks N Mean Rank Sum of Ranks Creativity post - test - Creativity pre - test Negative Ranks 9 a 15.67 141.00
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