Choose target customers and define success metrics
Company: Stripe
Role: Data Scientist
Category: Analytics & Experimentation
Difficulty: medium
Interview Round: Onsite
Overview: Choose the first 10% of small-business merchants to receive a new instant-payout product, and define how to measure whether the launch succeeds. Cover merchant scoring, lift, ROI and sample-size formulas, and guardrails such as chargebacks, dispute losses and churn, with every assumption stated.
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