Coinbase Analytics & Experimentation Interview Questions
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Diagnose Discrepancy in A/B Test Conversion Rate Results
A/B Test Design: Personalized Marketing Emails and Conversion Lift Scenario An e-commerce firm wants to send personalized marketing emails to increase...
Estimate Super Bowl QR Code Scan Rate Using Historical Data
Estimating QR Scan and Sign-up Conversion for a Super Bowl TV Ad Scenario A Super Bowl TV ad prominently features a QR code and a clear call-to-action...
Analyze Factors Behind 20% Retail Revenue Decline
Retail Revenue Decline Analysis Scenario A retailer reports a 20% decline in revenue compared with a prior, comparable period. Assume revenue is net o...
Investigate Anomalies in Coinbase Wallet Engagement Metrics
Coinbase Wallet: Anomaly Investigation Framing Context You observe an unexpected spike or drop in a key Coinbase Wallet metric (e.g., DAU, transaction...
Estimate Successful Sign-ups from Super Bowl QR Code Ad
Estimating Sign-ups from a Super Bowl QR Code Ad Background A cryptocurrency company airs a national Super Bowl commercial featuring a bouncing QR cod...
Diagnose Revenue Decline: Key Analyses and Metrics
Diagnose a Sudden Revenue Drop Scenario A consumer fintech/trading platform (e.g., mobile/web app with transaction-fee revenue) experiences a noticeab...
Investigate Super Bowl Ad Impact on User Sign-Ups and Revenue
Estimating QR-Driven Sign-ups and Diagnosing a 20% MoM Retail Revenue Decline Scenario A crypto company runs a Super Bowl commercial featuring a QR co...
Diagnose uplift drop in email A/B tests
Personalized Product Emails Experiment — Design, Sizing, and Debugging Conflicting Reruns Context An e-commerce company plans to A/B test personalized...
Detect and quantify wash trading
Detecting and Quantifying Wash Trading on a Centralized Exchange Context You are designing an analytics approach for a centralized exchange to detect ...
Design KYC experiment amid crypto volatility
A/B Test Design: Improve Mobile KYC Completion During High Market Volatility Context: You are analyzing a mobile onboarding funnel where the KYC (Know...
Diagnose a 20% retail revenue drop
E-commerce Revenue Drop Diagnosis Case Context Week T net revenue is down 20% versus the prior 4-week moving-average baseline. You have weekly e-comme...
Estimate Super Bowl QR ad sign-ups
Incremental Sign-ups From a Super Bowl QR Ad (48h) CoinFactory ran a 60-second Super Bowl TV spot on 2025-02-09 with a QR code to a signup page. Succe...
Estimate Super Bowl QR-driven registrations
Estimating Completed Registrations from a Super Bowl QR-Code Ad Context You are asked to estimate how many users complete registration from a single 3...
Investigate Sudden Decline in Coinbase Revenue Metric
Scenario A key revenue metric on Coinbase’s dashboard suddenly declines. Task Describe a structured approach to investigate the drop. Which cuts, diag...
Investigate Sudden Revenue Drop: Steps and Metrics Analyzed
Scenario A product’s weekly revenue has suddenly dropped. Task Describe, step by step, how you would investigate and diagnose the root cause of a sudd...
Diagnose Retail Revenue Drop and Predict Ad Impact
Scenario You are a data scientist for a consumer fintech app preparing to run a Super Bowl TV ad and investigating a recent revenue decline. Part 1 — ...
Estimate QR Code Scan Rate for Super Bowl Ad
Forecasting a QR-Code Super Bowl Ad Funnel Context You are advising a brand running a QR-code Super Bowl TV spot. The goal is to forecast and then mea...
Investigate Retail Revenue Decline and Analyze QR-Code Impact
Estimation and Diagnostic Analysis Task Scenario A national Super Bowl TV spot displays a QR code that offers a $15 coupon for new sign-ups. In the sa...
Estimate Viewer Engagement with Super Bowl QR Code Promo
Estimation Case: Super Bowl QR Promo Scans and Redemptions Scenario Coinbase runs a Super Bowl ad displaying a QR code that links to a promotional off...