Q-Q plot of residuals

Here are normal Q-Q plots of the previous two models.

Original model (n_clicks versus n_impressions):

Transformed model (n_clicks ** 0.25 versus n_impressions ** 0.25):

Look at how well the points track the "normality" line. Which statement is true?

This exercise is part of the course

Introduction to Regression with statsmodels in Python

Turn theory into action with one of our interactive exercises