Evaluate new shop-ads ranking algorithm
Company: Meta
Role: Data Scientist
Category: Analytics & Experimentation
Difficulty: easy
Interview Round: Technical Screen
Quick Answer: This question evaluates a data scientist's skills in online experimentation, causal inference, and marketplace analytics—covering A/B test design, randomization and interference concerns, auction and budget effects, metric selection (primary, diagnostic, guardrail), and power/sample-size reasoning.