Confidence Intervals: A Guide for A/B Testing
ConversionXL
OCTOBER 1, 2019
Confidence intervals are a standard output of many free and paid A/B testing tools. Most A/B test reports contain one or more interval estimates. Note: If you want a deeper dive, you’re in luck: I just released a book, Statistical Methods in Online A/B Testing , and I teach CXL’s course on A/B testing statistics.).
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