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How to Determine the Statistical Significance of an A/B Test: https://www.youtube.com/watch?v=AuQXipyv520
What is A/B testing?
- Two-sample hypothesis testing
- Randomized experiments with two variants: A and B
- A: control; B: variation
- User-experience design: identify changes to web pages that increase clicks on a banner
- Current website: control; NULL hypothesis
- New version: variation; alternative hypothesis
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