Plan and analyze an A/B test
Company: Amazon
Role: Data Scientist
Category: Statistics & Math
Difficulty: hard
Interview Round: Technical Screen
Overview: This question evaluates expertise in experimental design and applied statistics — specifically power and sample-size calculations, clustering and design-effect adjustments, sequential monitoring and adjusted inference, multiple-comparisons control, and diagnostic analysis for A/B tests.
Read the full Amazon Data Scientist interview experience this question came from