Statistical tests, Non-Parametric tests, Non-Parametric data, chi-square test, McNemar test, Sign test, Wilcoxon signed ranks test, Mann-Whitney U or Wilcoxon rank sum test, Krushkal Wallis or H-test, Friedman ANOVA, Spearman rank correlation test, Cochran's Q-test, Advantages of Non-parametric tests, Limitations of non- parametric tests, difference between parametric and non- parametric tests, hypothesis testing of non-parametric data, compare and contrast non- parametric and parametric data, uses of chi-square test, assumptions of chi-square test