Question

When to use fisher's test and when to use pearson test?

Answer 1

Answer:

➡ Fisher's test⬅

Use Fisher's exact test when you have 2 nominal variables. You want to know whether the proportions for 1 variable are different among values of the other variable.

➡Pearson's Test⬅

Pearson's correlation should be used only when there is linear relationship between variables.Correlation us used for testing in within groups studies .

Answer 2

Answer:Fisher's Exact test is a way to test the association between two categorical variables when you have small cell sizes (expected values less than 5). Chi-square test is used when the cell sizes are expected to be large.

Explanation: