Which statistical test should I use? 
Choosing a suitable statistical test depends on the design of the experiment, notably the number and the type of variables.
- Parametric and non-parametric tests
- Flowchart
- Table
- Statistics mathematical symbols
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Parametric and non-parametric tests

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Flowchart

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Table

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Credit: James D. Leeper, Ph.D. (University of Alabama) (Source)
Statistics mathematical symbols

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