Parametric versus non parametric test

help to determine when to use parametric or non parametric test and what is difference between both test

1. Parametric VERSUS Non Parametric test BY JWANIKA VANSIYA

2. Parametric test A statistical test, in which specific assumptions are made about the population parameter is known as parametric test. Parametric test

3. When to use parametric test? Four conditions have to be satisfied: When to use parametric test ????

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6. Non parametric test Nonparametric tests are also called distribution-free tests because they don’t assume that your data follow a specific distribution. Non parametric test

7. When to use non parametric test?

8. Parametric test or Non parametric test-Determination

9. Parametric versus Non Parametric test.

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11. Parametric versus non parametric test Study type Parametric test Non parametric test Compare means between two distinct/independent groups Two-sample t-test Mann- whitney test Compare two quantitative measurements taken from the same individual Paired t-test Wilcoxon signed-rank test Compare means between three or more distinct/independent groups Analysis of variance (ANOVA) Kruskal -Wallis test

12. Study type Parametric test Non parametric test Repeated measures, >2 conditions One-way, repeated measures  ANOVA Friedman's test Estimate the degree of association between two quantitative variables Pearson coefficient of correlation Spearman’s rank correlation

13. Thank you