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Updated weekly · Last refresh Sep 22

eBay Business Analyst Interview Questions

The questions to prepare for a eBay Business Analyst interview. Questions from real interview reports rank first. Updated daily.

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1
SQL & Data ManipulationStart here. 7 questions + 1 drill · ~72 min
NULLs in Aggregate MetricsEasy

Explain how PostgreSQL aggregate functions treat NULL values and when to use COALESCE to control results.

null handlingCase WhenAggregationseBay
SQL Joins and Query ReasoningMedium

Tests SQL proficiency, query reasoning, and statistical thinking applied to a realistic scenario.

statisticssqleBay
SQL for Weekly Operational MetricsHard
Practice
Practice drill

Join eBay orders, shipments, and support tickets to calculate weekly fulfillment and service metrics.

JoinsGroup ByAggregationseBayEchostarWhiteHat Jr
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2
Strategy3 questions · ~26 min
Risk Mitigation in AnalysisMedium

Evaluates risk awareness, prioritization, and proactive mitigation in data-driven work.

risk mitigationstrategyeBay
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3
Behavioral & Leadership13 questions · ~115 min
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4
More topics6 questions · ~53 min
FP&A Process ExplanationMedium

Evaluates your understanding of financial planning and analysis workflows and how they support decision-making.

processeBay
Free Shipping vs Seller SubsidiesMedium

Tests ability to compare business levers, quantify trade-offs, and choose an evidence-based approach for eBay.

Cost-Benefit AnalysisTrade-offsScope ManagementeBay
Diagnose eBay Conversion DropMedium

Tests structured troubleshooting, metric decomposition, and data-driven diagnosis for eBay.

Funnel AnalysisConversion RateDiagnosiseBay
A/B Test Statistics and Sample SizeHard

Evaluates statistical fundamentals needed to plan and interpret experiments.

A/B TestingeBay
Designing an A/B TestHard

Assesses end-to-end experimental design and practical decision-making for measurable outcomes.

designA/B TestingeBay
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The finish line: interview-readyComplete all 29 questions plus 1 hands-on drill to finish this plan.