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Updated weekly · Last refresh Aug 30

Slalom Data Analyst Interview Questions

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

38questions
~5htotal time
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1
SQL & Data ManipulationStart here. 10 questions + 3 drills · ~110 min
Handle Incomplete or Inconsistent DataEasy

Explain how to assess and clean incomplete or inconsistent data before analysis.

Data WranglingCase WhenQualitySlalom
SQL Join and FilterMedium

Tests your SQL skills for joining tables and applying precise filtering conditions.

JoinsData ManipulationsqlSlalom
Data Quality With Unverified DataHard

Tests data validation, anomaly detection, and quality controls for trustworthy analysis.

Data Qualitydata validationdata integritySlalom
Most Complex SQL QueryHard

Tests advanced SQL capability and your ability to explain intent and results clearly.

Data Manipulationcomplex queriessqlSlalom
Optimize SQL EfficiencyMedium

Tests performance optimization practices for SQL used in analytics and decision support.

Data AnalysisefficiencySlalom
Analyze Customer Purchase Trends with Window FunctionsEasy
Practice
Practice drill

Calculate the monthly spending trends for customers using window functions and joins.

The Home DepotAvisoWorld Wide Technology
Average Vehicle Idle Time by ZoneHard
Practice
Practice drill

Use joins, a CTE, and aggregations to calculate average vehicle idle minutes in a specific geographic zone.

JoinsData ManipulationsqlWaymo
Rolling Averages Across BatchesMedium
Practice
Practice drill

Calculate batch-level rolling 30-day screening averages using joins, daily aggregation, and window frames.

Data AnalysissqlAggregationsRecursion Pharmaceuticals
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2
Behavioral & Leadership26 questions · ~208 min
Explaining a Technical Concept ClearlyEasy
Recently asked

Tests communication, ownership, and stakeholder management when translating technical complexity into actionable business understanding.

Problem SolvingData Structurestechnical fundamentalsSlalom
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3
More topics2 questions · ~16 min
Troubleshoot a Broken PipelineHard

Tests debugging skills, root-cause analysis, and reliability thinking for data pipelines.

data pipelinetechnical experienceTroubleshootingSlalom
Business Metrics SelectionMedium

Tests your ability to translate business goals into measurable analytics and KPIs.

Decision MakingData AnalysisSlalom

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