50 interview questions with answers on Non-Parametric Tests
Here are 50 interview questions with answers on Non-Parametric Tests in Research Methodology , ideal for academic, teaching, and research-based interviews. Basic Conceptual Questions 1. What is a non-parametric test? A non-parametric test is a statistical test that does not assume a specific distribution of the data, often used when assumptions of parametric tests are not met. 2. When should you use a non-parametric test? When the data is ordinal, not normally distributed, or when sample sizes are small or variances are unequal. 3. What is the major difference between parametric and non-parametric tests? Parametric tests assume a known distribution (e.g., normal), while non-parametric tests do not. 4. Name some common non-parametric tests. Mann–Whitney U test, Wilcoxon signed-rank test, Kruskal–Wallis test, Friedman test, Chi-square tes...