Estimate unbiased ad scores with many reviewers
Company: Google
Role: Data Scientist
Category: Statistics & Math
Difficulty: medium
Interview Round: Technical Screen
Overview: This question evaluates a candidate's skills in hierarchical and mixed-effects modeling, latent-variable estimation, debiasing rater severity and scale, model identifiability, and uncertainty quantification including BLUPs or Bayesian posterior inference.
Read the full Google Data Scientist interview experience this question came from