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The Blackstone Group Data Analyst Interview Questions

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

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1
MetricsStart here. 4 questions · ~32 min
Diagnose Product Sales DeclineMedium

Break down a product sales decline into traffic, conversion, pricing, mix, and channel drivers to identify the root cause.

Funnel AnalysisKPIsDiagnosisThe Blackstone Group
Diagnose a Metric Drop After LaunchMedium

Investigate why a key KPI moved the wrong way after a product change and separate signal from noise.

Lagging IndicatorsLeading IndicatorsDiagnosisThe Blackstone Group
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2
SQL & Data Manipulation5 questions + 3 drills · ~70 min
SQL for Data AnalysisEasy

Tests your practical SQL skills for extracting, transforming, and analyzing data.

SQL & Data ManipulationJoinsAggregationsThe Blackstone Group
Window Functions and CTEsMedium

Tests core SQL concepts used in analytics and complex transformations.

Window FunctionssqlThe Blackstone Group
SQL Incident Rate per 1,000Hard
Practice
Practice drill

Join site, incident, and staffing data to find sites with the highest incidents per 1,000 employee-hours.

JoinsGroup BycalculationsThe Blackstone Group
Handling Missing DataEasy
Practice
Practice drill

Replace missing sales fields with defined defaults and return a consistently ordered dataset.

missing valuesdata cleaningnull handlingUniversity of MinnesotaThe Home DepotNationwide
SQL Window Functions for Portfolio AnalysisHard
Practice
Practice drill

Rank portfolios by monthly net transaction value using PostgreSQL window functions.

Window FunctionsPivotfinancial dataMacquarie GroupThe Blackstone Group
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3
Behavioral & Leadership15 questions · ~120 min
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4
More topics4 questions · ~32 min
Cleaning Missing Values in PipelinesEasy

Approach for handling missing values in a pipeline with data quality checks and repeatable transformations.

Data WranglingETLQualityThe Blackstone Group
Designing Data VisualizationsMedium

Evaluates how you choose visuals, metrics, and storytelling for decision-making.

data visualizationdesignThe Blackstone Group
Statistics for Business ProblemsMedium

Tests ability to apply statistics to real business outcomes and communicate results.

ExperimentationRegressionCausal InferenceThe Blackstone Group
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityThe Blackstone Group

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