Top 15
Prep plan
Updated weekly · Last refresh Oct 17

Compass Business Analyst Interview Questions

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

15questions
~2htotal time
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1
SQL & Data ManipulationStart here. 3 questions + 1 drill · ~39 min
Top Customers by Sales RevenueEasy
Practice

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

RankingGroup ByAggregationsCompass
Optimizing a Slow QueryMedium
Practice

Rewrite a slow PostgreSQL reporting query to reduce scanned rows, avoid join multiplication, and return accurate monthly site metrics.

Subqueriesdatabase optimizationJoinsCompass
SQL Experience and UseEasy

Tests your practical SQL skills for querying, joining, and preparing marketing analytics data.

JoinsData WranglingAggregationsCompass
Handling Missing DataEasy
Practice
Practice drill

Replace missing sales fields with defined defaults and return a consistently ordered dataset.

missing valuesdata cleaningnull handlingUniversity of MinnesotaThe Home DepotNationwide
2
Behavioral & Leadership11 questions · ~106 min
Turning Analysis Into Business ActionEasy

Tests whether you can use analytics and dashboards to influence decisions through clear communication, stakeholder alignment, and measurable business impact.

analytics toolsdata visualizationtechnical experienceCompass
Validating Analysis With Incomplete DataMedium

Tests ownership and judgment under ambiguity when analyzing incomplete data and ensuring conclusions are still decision-ready.

Decision Makingdata cleaningvalidationCompass
Owning a High-Stakes Team ProjectMedium

Tests ownership in a difficult team project, with emphasis on cross-functional collaboration, prioritization, and clear communication.

CommunicationLeadershipOwnershipCompass
Resolving a Difficult StakeholderMedium

Tests how you handle a difficult stakeholder through direct communication, influence, and ownership while preserving the relationship.

Conflict ResolutionStakeholder ManagementCommunicationCompass
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3
More topics1 question · ~10 min
The finish line: interview-readyComplete all 15 questions plus 1 hands-on drill to finish this plan.