Data Analyst · Junior · Theory

What are the most common mistakes people make when running A/B tests?

~4 min by voice

How to approach it

The interviewer wants to see whether you understand the statistical traps of A/B testing, above all peeking, insufficient power and multiple comparisons, and whether you know how to prevent them through experiment design rather than by eyeballing.

Have you seen this question in a real interview?

Answers0

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Topics

ab testing statistical power

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Answer by voice

The interviewer will ask this question and listen. Think out loud and ask for a hint if you need one. When you're done, pause or tap “That's my answer”. In about a minute, your score and the points you covered show up here.

Best with headphones · ~4 min