Explore statistical methods that do not rely on specific distributional assumptions, including Wilcoxon rank-sum test, Kruskal-Wallis test, and Spearman's rank correlation coefficient.
Nonparametric Statistics: 1. Definition: Nonparametric statistics are statistical methods that do not assume a specific probability distribution for the data being analyzed. They are used when the data does not meet the assumptions of parametric statistics. 2. Characteristics: Nonparametric methods are distribution-free. They do not rely on population parameters. They are robust to outliers and d...…
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