Topics
Setting an appropriate MDE and sample size before the test.Interpreting 4 numbers that matter in your A/B Test Report.Asking 7 questions to make the right decisions in your test.Audience
This talk is for you if you have struggled with the following questions
You have seen uplifts in tests but don't understand which ones are trustworthy.You have deployed winners in the past, but looking back you are not sure if they worked.You are unsure when to stop a test and save visitors, and when to keep them running.After this talk, you will be able to run your tests with basic understanding of statistics.
Hi! I am a statistician, a teacher and the founder of Thinking Bell.
I am known for simplifying experimentation with analogies, doodles, and games that make decisions sharper and science practical.
I have led data science research at VWO and I have authored the VWO Stats Blog. In 2025, I taught a statistics bootcamp for a team of 60 marketers, product managers and data scientists.
Join me to master experimentation with clarity, depth, and fun.
Stat-Talk #2
Simplifying Stats of A/B Testing
Making Sense of Data
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