Problem
Scenario
You are comparing two customer cohorts in a product analytics setting, such as customers first acquired through two different onboarding experiences in ACME House. You want to know whether the cohorts behave differently in a way that is statistically meaningful, not just directionally different.
Question
How would you compare two customer cohorts to see whether their behavior is meaningfully different?
Example Data
Cohort A users·1200Cohort B users·1150Significance level·0.05Cohort A conversions·276Cohort B conversions·322
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