Top 21
Prep plan
Updated weekly · Last refresh Oct 17

Oak Street Health Data Analyst Interview Questions

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

21questions
~3htotal time
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1
Product SenseStart here. 4 questions · ~37 min
Motivation in Healthcare Product WorkEasy

Explain what drives your work and how you connect motivation to meaningful user and patient impact in healthcare.

User NeedsValue PropositionUse CasesOak Street Health
Why Oak Street HealthEasy

Tests motivation and alignment with Oak Street Health's preventive, personalized care model.

User NeedsValue PropositionProduct VisionOak Street Health
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2
Metrics7 questions · ~65 min
Using Dashboards to Read KPIsEasy

Explain how visualization tools help analysts track KPIs, spot patterns, and support decisions.

KPIsData WranglingDiagnosisOak Street Health
Diagnose Client Engagement DropMedium

Diagnose a sharp decline in client engagement and break it down into cohorts, funnel steps, and likely business drivers.

Leading IndicatorsDiagnosisEngagement MetricsOak Street Health
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3
SQL & Data Manipulation7 questions + 1 drill · ~75 min
SQL for Patient Satisfaction AveragesEasy
Practice

Calculate the average patient satisfaction score for every department, including departments without recorded scores.

JoinsGroup ByAggregationsOak Street Health
Prioritizing Data CleaningEasy

Tests your judgment for data quality issues and how you decide what to fix first.

Data WranglingCTEsQualityOak Street Health
Handling Missing DataMedium
Practice
Practice drill

Standardize missing observation fields with fallback values, missingness flags, and ordered output.

Window Functionsmissing valuesdata cleaningEversource EnergyCincinnati Children's HospitalAdtalem Global Education
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4
More topics3 questions · ~28 min
Statistical Techniques in PracticeEasy

Tests your applied knowledge of statistics and ability to choose appropriate methods.

RegressionHypothesis TestingStatistical SignificanceOak Street Health
Statistical Methods AppliedEasy

Explain which statistical methods you know, when to use them, and how you have applied them to real research questions.

Confidence IntervalsRegressionCorrelationOak Street Health
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The finish line: interview-readyComplete all 21 questions plus 1 hands-on drill to finish this plan.