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Goldman Sachs Data Analyst Interview Questions

The questions to prepare for a Goldman Sachs Data Analyst interview. Questions from real interview reports rank first. Updated weekly.

38questions
~6htotal time
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1
SQL & Data ManipulationStart here. 6 questions + 1 drill · ~63 min
7-Day Rolling Active UsersMedium
Practice

Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.

Window FunctionsDate FunctionsRunning TotalsGoldman Sachs
SQL for Top 3 ProductsMedium
Practice

Use joins, aggregation, and ROW_NUMBER to find the top three Goldman Sachs products by revenue in each category.

Window FunctionsDate FunctionsRankingGoldman Sachs
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
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2
Pipelines3 questions · ~27 min
Batch vs Stream Processing Trade-offsMedium

Compare batch and stream processing across latency, complexity, cost, and data quality in a modern analytics pipeline.

InfrastructureStream ProcessingETLGoldman Sachs
Backfilling Missing Pipeline DataMedium

Approach for safely backfilling missing data while preserving correctness, idempotency, and data quality.

ETLQualityGoldman Sachs
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3
A/B Testing & Experimentation5 questions · ~44 min
Marketing Campaign A/B Test DesignMedium

Design a marketing campaign experiment with a pre-registered metric plan, power calculation, and ship rule that respects guardrails.

ExperimentationHypothesis TestingA/B TestingGoldman Sachs
Diagnose Sample Ratio MismatchHard

Investigate sample ratio mismatch and decide whether an experiment readout is trustworthy enough to ship.

Guardrail MetricsSample Ratio MismatchA/B TestingGoldman Sachs
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4
Metrics3 questions · ~27 min
Diagnose Churn by Customer SegmentMedium

Investigate why one customer segment drives most churn and what actions to take.

User SegmentsChurnDiagnosisGoldman Sachs
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5
Statistics & Probability9 questions · ~80 min
Correlation Versus Causation ExplanationMedium

Explain why correlation measures association, while causation requires evidence that changing one variable changes the other.

CorrelationCausal InferenceCommunicationGoldman Sachs
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6
Behavioral & Leadership12 questions · ~106 min
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The finish line: interview-readyComplete all 38 questions plus 1 hands-on drill to finish this plan.