Reading a retention experiment without waiting six months
Variance & ratio metricsHardProblem. A commerce change is expected to affect long-term retention and LTV, but those outcomes take months and are censored for recent cohorts. Leadership wants a read in a few weeks. How do you do it credibly?
Before you reveal: say your answer out loud, as if you were in the real interview — get your reasoning across clearly first. There is no single correct answer: reading what the interviewer is really after and defending your own thinking is what makes an answer strong.