Z-Test Simply Explained

An intuitive explanation of the Z- Test for statistical hypothesis testing

Egor Howell
Towards Data Science
5 min readMar 8, 2022

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Photo by Crissy Jarvis on Unsplash

Introduction

In this article we will discuss and explain the Z-Test. This is a statistical hypothesis test where the distribution of the statistic we are measuring, for example the mean, is part of the normal distribution.

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