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Prep plan
Updated weekly · Last refresh Oct 6

HarbourVest Partners Data Analyst Interview Questions

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

18questions
~3htotal time
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1
SQL & Data ManipulationStart here. 4 questions + 1 drill · ~47 min
Top Customers SQL QueryEasy
Practice

Aggregate customer sales volume and return Pyramid Consulting's top 10 customers in descending order.

RankingGroup ByAggregationsHarbourVest Partners
Handling Missing Data in SQLEasy

Explain practical SQL techniques for handling NULLs and missing values in product analysis without biasing metrics.

Data WranglingCase WhenAggregationsHarbourVest Partners
Optimizing a Slow QueryMedium
Practice

Rewrite a slow PostgreSQL reporting query to reduce scanned rows, avoid join multiplication, and return accurate monthly site metrics.

Subqueriesdatabase optimizationJoinsHarbourVest Partners
Finding Patterns in DataMedium

Tests your approach to exploratory analysis and translating findings into actionable insights.

JoinsData WranglingAggregationsHarbourVest Partners
Analyze Decision Impact by RegionEasy
Practice
Practice drill

Use joins, CASE WHEN, and date filtering to compare outcome rates before and after a decision.

Data WranglingDiagnosisAggregationsHarbourVest Partners
2
Behavioral & Leadership11 questions · ~103 min
Visualizing Findings for Decision-MakersEasy

Tests communication through visualization, stakeholder alignment, and whether the candidate can turn analysis into a clear decision.

Stakeholder ManagementCommunicationOwnershipHarbourVest Partners
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3
More topics3 questions · ~28 min
Reconciling Data From SourcesMedium

Tests your data quality troubleshooting skills and your ability to align definitions across systems.

DependenciesData ModelingQualityHarbourVest Partners
Designing KPI DashboardsMedium

Tests your ability to define metrics, design clear visuals, and ensure dashboards support decision-making.

KPIsLeading IndicatorsDiagnosisHarbourVest Partners
Common Statistical MethodsEasy

Tests statistical fundamentals relevant to player analytics and experimentation.

RegressionHypothesis TestingA/B TestingHarbourVest Partners

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The finish line: interview-readyComplete all 18 questions plus 1 hands-on drill to finish this plan.