Top 21
Prep plan
Updated weekly · Last refresh Aug 30

Gusto Data Analyst Interview Questions

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

21questions
~3htotal time
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1
MetricsStart here. 3 questions · ~24 min
Diagnose Conversion Drop Post LaunchMedium

Diagnose why conversion fell from 4.8% to 3.1% after a launch by breaking the metric across funnel steps, cohorts, and segments.

Funnel AnalysisConversion RateDiagnosisGusto
Diagnose Onboarding DropHard

Tests metrics analysis, hypothesis-driven investigation, and root-cause reasoning for product funnels.

Funnel AnalysisDiagnosisEngagement MetricsGusto
Measure Feature Launch SuccessMedium

Tests KPI design, experiment or measurement planning, and translating product goals into metrics.

KPIDiagnosisActivationGusto
2
SQL & Data Manipulation5 questions + 3 drills · ~70 min
Top Departments QueryMedium

Tests SQL skills for ranking, tie handling, and correct aggregation logic.

RankingGroup ByAggregationsGusto
Optimize Slow Payroll AggregationHard

Tests performance tuning for large-scale payroll datasets and query optimization techniques.

financial dataperformanceAggregationsGusto
Null-Safe AggregationsMedium

Tests understanding of NULL behavior in SQL and designing null-safe aggregation logic.

null handlingdata integrityAggregationsGusto
Monthly Active User Growth by PlatformMedium
Practice
Practice drill

Use joins, CTEs, and monthly aggregation to compute Google Maps active users and month-over-month growth.

Window FunctionsDate FunctionsAggregationsEngineGoogleZoomInfo Technologies
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
Top Customers by Sales RevenueEasy
Practice
Practice drill

Use GROUP BY and SUM to rank the top 10 customers by total revenue from a single sales table.

RankingGroup ByAggregationsHousecall ProEquifaxXYZ
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3
Behavioral & Leadership11 questions · ~88 min
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4
More topics2 questions · ~16 min
Activation vs Retention Tradeoff TestMedium

Design an onboarding A/B test where activation may improve but Day-28 retention could worsen, with explicit power, guardrails, and ship rules.

ExperimentationCausal InferenceGuardrail MetricsGusto
Define Metrics for a Customer TestHard

Define the primary metric, guardrails, and power for a customer-facing A/B test before deciding whether to ship.

ExperimentationGuardrail MetricsA/B TestingGusto

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