Randomize stores to test a new forecasting model
Experiment designHardProblem. Unusually for forecasting, you can run a real experiment: assign stores to the new model or the current one and compare. Design it. What is the outcome, and what will go wrong?
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.