After the release of a new feed, DAU went up ten percent, but revenue didn't change. How would you figure out what happened?
~4 min by voice
How to approach it
They're checking whether you can systematically untangle a discrepancy between metrics: first question the data, then break revenue down into components, separate the effect of the release from external factors, and arrive at a conclusion that's useful for a business decision.
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.