Top 22
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Updated weekly · Last refresh Aug 30

Washington University in St. Louis Data Analyst Interview Questions

The questions to prepare for a Washington University in St. Louis Data Analyst interview. Questions from real interview reports rank first. Updated weekly.

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1
Statistics & ProbabilityStart here. 4 questions · ~33 min
Statistical vs Practical SignificanceMedium

Explain why a statistically significant experiment result may still be too small to matter for product or business decisions.

Confidence IntervalsExperimentationHypothesis TestingWashington University in St. Louis
Handling Missing and Anomalous DataMedium

Tests your data quality approach and statistical readiness before analysis.

data cleaningBiasStatistical SignificanceWashington University in St. Louis
Statistical Tools and TestsMedium

Tests depth of statistical tooling and ability to select and run appropriate tests.

Washington University in St. Louis
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2
Behavioral & Leadership14 questions · ~115 min
Prioritizing Conflicting High-Stakes WorkEasy

Tests prioritization under pressure, stakeholder management, and ownership when multiple urgent requests compete for limited time.

Stakeholder ManagementOwnershipDealing With AmbiguityWashington University in St. Louis
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3
More topics4 questions · ~33 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityWashington University in St. Louis
Optimizing Database for RetrievalMedium

Tests database design tradeoffs and usability for non-technical stakeholders.

database optimizationnormalizationsqlWashington University in St. Louis
Securing Sensitive Data and PHIMedium

Tests your ability to protect sensitive data and comply with privacy expectations.

Securitydata integrityCloudWashington University in St. Louis
Outlier Treatment ExperienceMedium

Assesses practical experience cleaning and managing data for analysis.

data managementWashington University in St. Louis

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 22 questions plus 3 hands-on drills to finish this plan.