Define Product Health and Experiment Design
Company: Gusto
Role: Data Scientist
Category: Analytics & Experimentation
Difficulty: medium
Interview Round: Technical Screen
Quick Answer: This question evaluates competency in product analytics and experimentation, covering metric framework design, trade-offs and guardrail selection for a single headline health metric, plus the statistical foundations of A/B testing such as variance, standard error, sample size, significance, and power.