Statistical Power in Hypothesis Testing — Visually Explained

An Interactive Guide to the What/Why/How of Power

Destin Gong
Towards Data Science
7 min readMay 9, 2022

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Statistical Power in Hypothesis Testing (image from my website)

What is Statistical Power?

Statistical Power is a concept in hypothesis testing that calculates the probability of detecting a positive effect when the effect is actually positive. In my previous post, we walkthrough the procedures of…

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