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Updated weekly · Last refresh Oct 17

Children's Hospital of Philadelphia Data Analyst Interview Questions

The questions to prepare for a Children's Hospital of Philadelphia Data Analyst interview. Questions from real interview reports rank first. Updated daily.

36questions
~6htotal time
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1
Statistics & ProbabilityStart here. 7 questions · ~68 min
Experiment Design for HypothesesHard

Design a randomized experiment that tests a specific hypothesis, controls bias, and provides adequate statistical power.

ExperimentationHypothesis TestingPower AnalysisChildren's Hospital of Philadelphia
Prove or Disprove a TrendHard

Design a statistically sound process to distinguish a real trend from random variation, seasonality, autocorrelation, or confounding.

RegressionHypothesis TestingCausal InferenceChildren's Hospital of Philadelphia
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2
Pipelines3 questions · ~29 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityChildren's Hospital of Philadelphia
Validate Newly Ingested DataMedium

Tests your data quality validation approach for newly ingested clinical datasets.

ETLData ModelingQualityChildren's Hospital of Philadelphia
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3
SQL & Data Manipulation13 questions · ~126 min
Cohort: Medication Within 30 Days (Assessment)Medium
Practice

Identify Children’s Hospital of Philadelphia patients prescribed Medication X within 30 days of their first admission.

Date FunctionsJoinsCTEsChildren's Hospital of Philadelphia
Assess Cohort Building From Fake EMRHard

Tests ability to self-evaluate cohort-building skills using EMR-like data structures.

JoinsData WranglingCTEsChildren's Hospital of Philadelphia
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4
Metrics6 questions · ~58 min
Dashboard for Patient OutcomesHard

Design a dashboard that measures, explains, and communicates patient outcomes across Children's Hospital of Philadelphia.

dashboardsKPIsData WranglingChildren's Hospital of Philadelphia
Choose the Right KPIsMedium

Tests metric selection grounded in business goals and clinical relevance at CHOP.

KPIsLeading IndicatorsDiagnosisChildren's Hospital of Philadelphia
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5
Behavioral & Leadership7 questions · ~68 min
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