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Updated weekly · Last refresh Aug 30

Happy Money Data Analyst Interview Questions

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

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1
Behavioral & LeadershipStart here. 7 questions · ~56 min
Explaining Complex Analysis to Nontechnical StakeholdersMedium

Tests communication of complex analytics to nontechnical stakeholders, with emphasis on influence, clarity, and driving action from insights.

Stakeholder ManagementCommunicationtechnicalHappy Money
Prioritizing Conflicting High-Stakes WorkEasy

Tests prioritization under pressure, stakeholder management, and ownership when multiple urgent requests compete for limited time.

Stakeholder ManagementOwnershipDealing With AmbiguityHappy Money
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2
More topics6 questions · ~48 min
Diagnose Rising Customer Acquisition CostsMedium

Diagnose why CAC doubled over three quarters by separating channel efficiency, funnel changes, customer mix, and measurement effects.

CACLeading IndicatorsDiagnosisHappy Money
Understanding Common Table Expressions (CTEs)Medium

Explain what CTEs are and their advantages in SQL queries.

CTEsHappy Money
Define Savings Feature SuccessMedium

Define success for a feature meant to increase member savings behavior.

Feature PrioritizationUser NeedsValue PropositionHappy Money
Diagnose a Conversion DropHard

Investigate whether a conversion drop came from product friction, traffic mix, or an experiment artifact.

Funnel AnalysisConversion RateDiagnosisHappy Money
Credit Score Threshold TuningHard

Tests product sense and analytical decision-making for setting risk thresholds in lending.

Decision MakingFeature PrioritizationHappy Money
SQL Problems in InterviewMedium

Assesses SQL proficiency under time constraints and ability to reason through queries.

technical interviewsqlHappy Money

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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
SQL Duplicate Record DetectionEasy
Practice
Practice drill

Find duplicate American Institutes for Research assessment submissions using a CTE, GROUP BY, HAVING, and joins.

deduplicationsqldata integrityAmerican Institutes for ResearchMacy's
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
The finish line: interview-readyComplete all 13 questions plus 3 hands-on drills to finish this plan.