Top 11
Prep plan
Updated weekly · Last refresh Oct 17

e-commerce business Data Analyst Interview Questions

The questions to prepare for a e-commerce business Data Analyst interview. Questions from real interview reports rank first. Updated daily.

11questions
~1htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 3 drills · ~70 min
Handling Missing and Anomalous DataMedium

Tests data cleaning choices and how they protect analysis quality and decision-making.

data cleaningdata handlinge-commerce business
Using SQL for Complex ProblemsMedium

Tests advanced SQL problem-solving and translating results into business impact.

Data Analysisbusiness impacte-commerce business
Building Marketing KPI DashboardsMedium

Tests end-to-end dashboard design, KPI definition, and data-to-visualization thinking.

data visualizatione-commerce business
Ensuring Data Integrity in JoinsMedium

Tests join strategy, validation checks, and preventing data quality issues during merges.

Data Qualitydata integritye-commerce business
Diagnosing Conversion Rate DeclinesMedium

Tests structured root-cause analysis using data to identify drivers of conversion changes.

Data Analysise-commerce business
Writing SQL for Membership and ClaimsMedium
Practice
Practice drill

Deduplicate Centene membership and claims records, then calculate daily member and claim totals.

data cleaningData Analysissql queriesCentene
Handling Missing ValuesMedium
Practice
Practice drill

Profile missing NHS activity fields by site and calculate each site's missing-value rate.

missing valuesdata cleaningnull handlingNHS
Present Kaggle-Style AnalysisMedium
Practice
Practice drill

Analyze monthly completed transaction volume and return the top merchants using joins, aggregation, filtering, and ranking.

data cleaningJoinsData AnalysisVisa

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2
Behavioral & Leadership6 questions · ~48 min
Sharing Your Career MotivationMedium

Evaluates motivation, self-awareness, and alignment between your goals and the Data Analyst role.

e-commerce business
Mentoring and Improving Team ProcessMedium

Tests leadership behaviors, coaching, and continuous improvement in analytics workflows.

MentorshipLeadershipe-commerce business
Prioritizing Competing RequestsMedium

Tests prioritization frameworks, impact assessment, and stakeholder alignment.

PrioritizationProject Managemente-commerce business
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The finish line: interview-readyComplete all 11 questions plus 3 hands-on drills to finish this plan.