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Updated weekly · Last refresh Nov 6

CalOptima Data Analyst Interview Questions

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

8questions
~1htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 3 drills · ~70 min
Handling Missing Provider DataMedium

Tests approaches for data quality handling and automation in provider datasets.

data handlingAutomationCalOptima
Healthcare Data Validation TechniquesMedium

Tests validation methods to ensure trustworthy healthcare and insurance data.

data validationCalOptima
SQL and Viz for Enrollment TrendsEasy

Tests practical tooling choices for producing clear enrollment trend reporting.

data visualizationreportingCalOptima
Reconciling Billing and EnrollmentMedium

Tests reconciliation workflow and accuracy controls for healthcare insurance data.

CalOptima
Ensuring Encounter Data IntegrityMedium

Tests data integrity practices for large healthcare datasets and reliable reporting.

data validationdata integrityCalOptima
Handling Missing or Inconsistent DataMedium
Practice
Practice drill

Aggregate campaign reporting data and flag missing, null, negative, or inconsistent values.

missing valuesinconsistent datadata validationZZooplusVantorOOmnicom Media Group
Handling Missing Longitudinal DataHard
Practice
Practice drill

Identify missing and invalid longitudinal measurements using scheduled visits and measurement validation rules.

missing valuesdata cleaningdata handlingMMass General BrighamCChildren's Cancer Research GroupUUnity Health Toronto
Cleaning a Messy Dataset for a High-Stakes ReportMedium
Practice
Practice drill

Clean invalid sales records and produce a region-level report with valid totals, averages, and data-quality counts.

data cleaningdata accuracydata validationApple

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2
Behavioral & Leadership3 questions · ~24 min
Prioritizing Competing Report RequestsMedium

Tests prioritization under pressure, stakeholder management, and ownership when multiple reporting requests compete for limited analytics capacity.

Stakeholder Managementtime managementPrioritizationCalOptima
Resolving a Significant Dataset ErrorMedium

Tests ownership, investigation, and remediation when dataset errors impact decisions.

CalOptima
Turning Technical Issues Into RecommendationsMedium

Tests communication skills and ability to drive decisions from technical analysis.

CommunicationLeadershipCalOptima
The finish line: interview-readyComplete all 8 questions plus 3 hands-on drills to finish this plan.