BCG Data Scientist Interview Questions
The questions to prepare for a BCG Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Use aggregation and row numbering to return the three most frequent purchasers within each region.
Calculate each active RpmGlobal Enterprise Planning user's 30-day rolling average of daily activity.
Clean duplicate metric readings, preserve missing values, and reshape long sensor data into one row per device and timestamp.
AMDEvaluates metric selection and evaluation strategy for imbalanced classification.
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Evaluates your ability to translate a business problem into a data science plan and deliver results.
Evaluates rigor in experimental design and awareness of failure modes that bias results.
Assesses your strategy for churn reduction beyond prediction, including interventions and measurement.
Evaluates your ability to choose and explain appropriate forecasting error metrics.
Tests ability to apply hypothesis testing and interpret p-values and effect estimates correctly.