Data Analyst · Junior · Theory

How would you plan an A/B test of a new checkout button in an online store?

~4 min by voice

How to approach it

This checks whether the candidate understands the full A/B test cycle: from the hypothesis and choosing a metric to proper randomization, calculating the sample size and the statistical comparison. The point isn't just to "show two versions," but to plan the experiment so its result can be trusted.

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Topics

ab testing experiment design

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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