How to Perform Chi-Square Tests in Python?

A Simple Step-to-Step Guide to Chi-Square Tests on the Predicting Heart Failure Dataset

Introduction

In our last article, we used the t-test. This parametric test assumes that the sample data comes from normally distributed populations. But populations are not always normally distributed. Also, this parametric test is not suitable for categorical variables. They can only involve a categorical variable as an independent variable. If the categorical variable is the…