Didi Tech
Dec 12, 2024 · Product Management
Key AB Testing Interview Questions and Answers for Data Science Candidates
The article reviews common AB‑testing interview questions for data‑science candidates, explaining the role of p‑values, Type I/II errors, the difference between statistical and business significance, why effects can vanish when scaling, and how to improve experiment sensitivity through larger samples, variance‑reduction methods, and careful metric design.
AB testingMDEexperiment design
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