Lec. 35 – Non-parametric Statistics

When to use non-parametric statistics? Situation 1:

When to use non-parametric statistics? Situation 2:

NP Methods use Median instead of the Mean, and ranks instead of actual values

Use of Ranks

Univariate Test 1: Sign Test for Hypothetical Median

Appendix 2.1: Binomial Distribution

Univariate Test 1: Example of Sign Test for Hypothetical Median

Univariate Test 2: Mann-Whitney Test

Univariate Test 2: Worked Example of Mann-Whitney Test

Univariate Test 2: Worked Example of Mann- Whitney Test - Solution

Univariate Test 3: Kruskal-Wallis Test

Univariate Test 3: Worked Example of Kruskal-Wallis Test

Non-Parametric Correlation (Bivariate)