Wilcoxon Rank Sum Test: Theory and Tutorial in Excel

The video tutorial explains the differences between parametric and nonparametric tests, focusing on when to use each type. It highlights the importance of data normality and introduces nonparametric tests like the Mann Whitney U test and the Wilcoxon rank sum test. The tutorial provides a detailed guide on performing these tests using Excel, emphasizing the calculation of W statistics and critical values to determine statistical significance.

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