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Reefpoint Group Interview Questions

The questions to prepare for Reefpoint Group interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

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1
Machine LearningStart here. 7 questions · ~56 min
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffReefpoint Group
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2
Metrics4 questions · ~32 min
Investigate User Engagement DeclineMedium

Investigate a 15% engagement decline by decomposing the metric, isolating root causes, and proposing actions.

RetentionDiagnosisEngagement MetricsReefpoint Group
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3
Product Sense4 questions · ~32 min
Prioritize User Problems with DataMedium

Framework for using product data to identify and prioritize the user problem that should be solved first.

Feature PrioritizationUser NeedsPain PointsReefpoint Group
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4
Model Evaluation3 questions · ~24 min
Precision vs Recall TradeoffEasy

Explain the difference between precision and recall, and how each reflects a different type of classification error.

Evaluation TechniquesClassificationConfusion MatrixReefpoint Group
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5
Statistics & Probability3 questions · ~24 min
Statistical Methods in AnalysisMedium

Tests understanding of inference, uncertainty, and how statistics supports reliable conclusions.

ExperimentationRegressionCorrelationReefpoint Group
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6
Behavioral & Leadership13 questions · ~104 min
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7
More topics4 questions · ~32 min
Recover a Slipping ProjectMedium

Explain how you would diagnose and recover a project that is falling behind schedule without losing stakeholder trust.

Success CriteriaRoadmappingRisk AssessmentReefpoint Group
Handling Missing DataHard

Tests data quality handling and correct treatment of missingness.

Window FunctionsData WranglingCTEsReefpoint Group
Tell Me About YourselfEasy

Tests your ability to deliver a clear, relevant introduction tailored to the role at Aqr.

Competitive AnalysisGo-to-MarketReefpoint Group
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Identify Funnel Bottlenecks in OnboardingHard
Practice
Practice drill

Use joins, CTEs, and aggregations to find the weakest step in an onboarding funnel and estimate lost conversions.

Funnel AnalysissqlDiagnosisAtlassianRevolut
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
Daily Session Funnel Conversion RatesHard
Practice
Practice drill

Calculate daily session-level funnel conversion rates using CTEs, CASE WHEN, and date functions.

User NeedsData WranglingAggregations
The finish line: interview-readyComplete all 38 questions plus 3 hands-on drills to finish this plan.