Grupo Aubay Data Scientist Interview Questions
The questions to prepare for a Grupo Aubay Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Compute each user's seven-day activity average and compare it with the corresponding rolling average from the prior week.
Explain how to handle NULLs, skewed values, and outliers when preparing an analysis dataset using SQL.
Calculate daily conversions and a seven-day rolling average using PostgreSQL aggregation and window functions.
CrediblyCalculate 7-day rolling claim costs and identify dates where the cost trend is accelerating.
CLARA analyticsBuild a systematic process to validate a 10% overnight KPI decline, isolate its cause, and recommend corrective action.
Diagnose a below-expectations product metric drop using decomposition, guardrails, and experiment checks.
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Explain what a p-value means, how it relates to statistical significance, and how to describe it clearly to non-technical stakeholders.
Explain what statistical significance means and why it matters when interpreting experimental or analytical results.
Define a success metric for a new feature that captures real user value, not just raw usage.
Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.