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Chi-square test for independence

When it comes to examining statistical dependence on categorical variables without relying on parametric assumptions, chi-square test for independence is a great fit. Examine the signup rate metric's dependence on the landing pages of the homepage dataset by looking at groups A and B only.

The homepage dataset is loaded for you along with the necessary imports.

This exercise is part of the course

A/B Testing in Python

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Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

from scipy import stats

# Calculate the number of users in groups A and B
n_A = homepage[homepage['____'] == '____']['____'].____()
n_B = homepage[homepage['____'] == '____']['____'].____()
Edit and Run Code