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Updated weekly · Last refresh Aug 30

Blue Cross and Blue Shield of Kansas Data Scientist Interview Questions

The questions to prepare for a Blue Cross and Blue Shield of Kansas Data Scientist interview. Questions from real interview reports rank first. Updated weekly.

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~3htotal time
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1
Model EvaluationStart here. 3 questions · ~26 min
Choose a Classification ThresholdMedium

Choose a decision threshold for a classifier using precision, recall, calibration, and confusion matrix tradeoffs.

Confusion MatrixPrecisionThreshold TuningBlue Cross and Blue Shield of Kansas
Evaluate Readmission Prediction ModelHard

Tests your metric selection and evaluation strategy for readmission prediction.

PrecisionAUC-ROCRecallBlue Cross and Blue Shield of Kansas
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2
Statistics & Probability6 questions · ~52 min
Designing a Health Intervention StudyMedium

Tests your study design thinking, causal reasoning, and statistical rigor.

ExperimentationSample SizeA/B TestingBlue Cross and Blue Shield of Kansas
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3
Machine Learning4 questions · ~35 min
Choosing Models for Healthcare ClassificationHard

Tests your model selection criteria, tradeoffs, and evaluation approach for healthcare data.

Ensemble MethodsBias-Variance TradeoffSupervised LearningBlue Cross and Blue Shield of Kansas
Predicting Patient Outcomes AlgorithmsEasy

Tests your knowledge of modeling approaches for healthcare outcome prediction.

Feature EngineeringSupervised LearningDecision TreesBlue Cross and Blue Shield of Kansas
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4
More topics6 questions · ~52 min
SQL Rolling 30-Day Claims AverageMedium
Practice

Tests your ability to write time-series SQL with correct window frames.

Window FunctionsDate FunctionsRunning TotalsBlue Cross and Blue Shield of Kansas
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 CasesBlue Cross and Blue Shield of Kansas
Finding Trends and InsightsMedium

Tests your exploratory analysis skills and ability to turn data into actionable findings.

Lagging IndicatorsLeading IndicatorsDiagnosisBlue Cross and Blue Shield of Kansas
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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
The finish line: interview-readyComplete all 19 questions plus 2 hands-on drills to finish this plan.