Estimate Viewer Engagement with Super Bowl QR Code Promo
CoinbaseData Scientist · Technical Screen
Last updated
This interview question evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and recommendations in a realistic interview setting. A strong answer for Estimate Viewer Engagement with Super Bowl QR Code Promo states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.
Scenario
Coinbase runs a Super Bowl ad displaying a QR code that links to a promotional offer.
Question
Estimate how many viewers will scan and use the promo QR code. State all assumptions, data sources, and the step-by-step calculations you would perform.
Hints
Think of total viewers, device availability, attention rate, scan rate, conversion rate, and historical analogs.
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