Data Analyst · Mid-level · Theory

In an A/B test you compare ten metrics across five segments, and in one segment one metric went up significantly. The product manager wants to roll the feature out to that segment. What's your take?

~4 min by voice

How to approach it

This checks whether the candidate sees the multiple comparisons problem, can tell a confirmed result from a finding in exploratory analysis, and can propose a sound path forward: corrections, a separate confirmatory test, and skepticism about the effect size.

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Topics

ab testing multiple comparisons

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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