{"blocks": [{"key": "43c50f9e", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "d4577b28", "text": "A crypto company airs a Super Bowl commercial with a QR code that awards a $15 coupon upon sign-up; later the PM reports retail revenue has fallen 20% month-over-month.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "ca0b8bbe", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "574eb846", "text": "How would you estimate the number of users who will complete sign-up after scanning the QR code shown during the Super Bowl ad? Retail revenue is down 20% MoM. How would you investigate the drivers of the decline, what analyses would you run next, and how would you use cohort analysis to understand the impact on different user groups?", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "285698c5", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "72bef15c", "text": "Build a funnel (reach→scan→click→sign-up), sanity-check CTR/CVR; decompose revenue into traffic, conversion, AOV; slice by channel, cohort, product changes; propose experiments or fixes.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}