UCB Data Scientist Interview Questions

The questions to prepare for a UCB Data Scientist interview. Questions from real interview reports rank first. Updated weekly.

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R vs Python for Predictive Modeling

Easy

Tests practical language tradeoffs for implementing predictive models in UCB data science work.

Decision Makingmodel trainingtechnical experience

UCB

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Sample Size and Power Planning

Medium

Reason about sample size, power, and minimum detectable effect before launching an experiment.

Hypothesis TestingPower AnalysisSample Size

UCB

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Diagnose Drop in Patient Outcome Metrics

Medium

Tests monitoring, root-cause analysis, and metric integrity checks after UCB production changes.

Leading Indicatorsrollout decisionDiagnosis

UCB

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Design High-Risk Treatment Discontinuation Model

Hard

Tests end-to-end ML design for patient risk prediction in UCB immunology treatment programs.

ML RankingFeature StoreRecommendation Systems

UCB

Optimize Clinical Trial Site Selection

Medium

Tests data sourcing and modeling approach for optimizing trial site selection at UCB.

User NeedsValue PropositionUse Cases

UCB

SQL Window Functions for Outcome Change

Medium

Tests SQL proficiency for longitudinal patient comparisons using window functions in UCB data.

Window FunctionsLag/LeadDate Functions

UCB

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