{"blocks": [{"key": "70ee54bf", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "b2b7dad6", "text": "Food-delivery company sees a 10% drop in the number of deliveries in Los Angeles.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "951a8c75", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "9f6033cd", "text": "How would you identify and quantify the key drivers behind the 10% delivery decline in LA? List all data you would examine, propose hypotheses, and outline how you would validate each. If controlled experiments are impossible, what alternative approaches would you take to establish causal inference?", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "90edb2f6", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "6c8c3a44", "text": "Think funnel analysis, supply vs. demand changes, seasonality, competitor impact, synthetic-control or time-series causal methods.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}