13: Nonparametric Tests (not covered in EC225) — Read

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13.1: Advantages and Disadvantages of Nonparametric Methods
Overview of the advantages and disadvantages of nonparametric tests, as an alternative to the previously discussed parametric tests.
13.2: Sign Test
How to use the sign test, for two-tailed and right-tailed tests. Includes several worked examples.
13.3: Ranking Data
The process for ranking a data set, as preparation for performing non-parametric tests that require data to be ranked.
13.4: Wilcoxon Signed-Rank Test
Applying the Wilcoxon Signed-Rank Sum test as the non-parametric alternative to the dependent t-test; includes multiple worked examples.
13.5: Mann-Whitney U Test
Applying the Mann-Whitney U Test as the non-parametric alternative to the independent t-test. Includes several worked examples.
13.6: Chapter 13 Formulas
13.7: Chapter 13 Exercises

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