https://www.aporia.com/learn/addressing-outliers-in-ab-testing-methods-and-best-practices/

https://colab.research.google.com/drive/1pRpYZBib-EIQs1uEyYDmUpIm2CbW_BVT?usp=sharing#scrollTo=aTjQnYpA9-bF

https://levelup.gitconnected.com/the-engineering-problem-of-a-b-testing-ac1adfd492a8

https://www.youtube.com/watch?v=KZe0C0Qq4p0&t=229s