Analyze Impact of Customer Reviews on Sales Performance
Company: Google
Role: Data Scientist
Category: Analytics & Experimentation
Difficulty: medium
Interview Round: Technical Screen
##### Scenario
Product team wants to understand how customer reviews influence sales.
##### Question
Outline an analysis or experiment to measure the relationship between product review metrics (e.g., average rating, review volume) and sales performance.
##### Hints
Discuss correlation vs. causation, time-lag effects, regression or A/B testing, and control for confounders.
Quick Answer: This question evaluates a data scientist's competency in causal inference, experimental design, time-series and panel analysis, metric definition, and confounder control for quantifying the impact of product review metrics on sales, and belongs to the Analytics & Experimentation domain.