2.2 Sample Size Calculation #7
Description
Goal
Build a sample size calculator for A/B tests.
Learn
- Statistical power and why 80%
- Minimum detectable effect (MDE)
- How baseline rate affects sample size
- Practical constraints (traffic, time)
Deliverable
- Calculator with explanations
- Interactive notebook showing tradeoffs
Proof Point
Can answer "how long should we run this test?"
Directory
experimentation/02-sample-size-calc/