BCG Data Scientist Interview Questions
The questions to prepare for a BCG Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Calculate each active RpmGlobal Enterprise Planning user's 30-day rolling average of daily activity.
Reverse each Protium loan's repayment events using ROW_NUMBER while preserving chronological row details.
Use GROUP BY and HAVING to exclude students missing marks in two or more subjects.
PayPalEvaluates rigor in experimental design and awareness of failure modes that bias results.
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Assesses how you translate model changes into user-centric metrics and decision criteria.
Evaluates metric selection and evaluation strategy for imbalanced classification.
Assesses structured root-cause analysis for metric declines using data, segmentation, and checks.
Tests ability to apply hypothesis testing and interpret p-values and effect estimates correctly.
Evaluates your ability to choose and explain appropriate forecasting error metrics.
Evaluates your preparedness for the platform and ability to follow structured instructions.