BCG Digital Ventures Data Scientist Interview Questions
The questions to prepare for a BCG Digital Ventures Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Compute daily distinct active users and a 7-day rolling average using a CTE and window function.
BCG Digital VenturesUse joins, aggregations, and a window function to find the funnel step with the largest user drop-off.
Asana
Ais
CanvaQuantify statistical power for an email A/B test and explain why a small sample may miss a real 2-point lift in open rate.
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How to tell if a model is overfitting by comparing training and validation behavior.
BCG Digital VenturesA framework for deciding which features should ship first when building a new product.
BCG Digital VenturesExplain how classification and regression differ, using target type, model outputs, and evaluation metrics.
BCG Digital VenturesPractical approach for maintaining data quality across ML ETL pipelines, orchestration, and repeatable data processing.
BCG Digital VenturesInvestigate why one customer segment drives most churn and what actions to take.
BCG Digital VenturesExplain how you would frame and communicate an NLP or time-series problem so stakeholders understand the task, data, model, and trade-offs.
BCG Digital Ventures