Top 43
Prep plan
Updated weekly · Last refresh Oct 17

The Boston Consulting Group Data Analyst Interview Questions

The questions to prepare for a The Boston Consulting Group Data Analyst interview. Questions from real interview reports rank first. Updated daily.

43questions
~6htotal time
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1
SQL & Data ManipulationStart here. 6 questions + 2 drills · ~70 min
2
Pipelines3 questions · ~25 min
Driver Classification PipelineHard

Evaluates end-to-end data pipeline skills from cleaning through scikit-learn modeling.

data cleaningMachine LearningThe Boston Consulting Group
Power BI Direct Query ModelingHard

Tests Power BI modeling strategy and performance troubleshooting for large-scale client dashboards at The Boston Consulting Group.

performancepower biData ModelingThe Boston Consulting Group
Clean Unstructured CSVs in PythonMedium

Tests Python data wrangling, missing-data handling, and pipeline reliability for client-ready datasets at The Boston Consulting Group.

Data Qualitydata integrationData WranglingThe Boston Consulting Group

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3
Behavioral & Leadership32 questions · ~265 min
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4
More topics2 questions · ~17 min
A/B Test and Sample SizeHard

Tests experimental design and statistical reasoning for pricing decisions.

experiment designStatistical SignificanceSample SizeThe Boston Consulting Group
Prove or Disprove CausalityHard

Tests your understanding of causal inference and how you validate marketing-retention relationships.

experiment designCorrelationCausal InferenceThe Boston Consulting Group
The finish line: interview-readyComplete all 43 questions plus 2 hands-on drills to finish this plan.