This is a comprehensive walkthrough of an A/B testing example. I will go through the details of designing A/B testing experiments, running experiments, and interpreting results. The idea is inspired by the book Trustworthy Online Controlled Experiments: A Practical Guide to A/B Testing. I'm sure it will be extremely helpful for data science interview preparation.

Part 1 of the tutorial:
   • A/B Testing Fundamentals: What Every Data ...  

Derivation of sample size equation:
   • Sample Size Estimation in A/B Tests Explai...  
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====================
Contents of this video:
====================
0:00 Intro
1:00 Background
2:02 Prerequisites
5:50 Experiment design
11:08 Result to dec