Top 21
Prep plan
Updated weekly · Last refresh Oct 17

AstraZeneca Data Scientist Interview Questions

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

21questions
~3htotal time
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1
Model EvaluationStart here. 3 questions · ~24 min
Validating Data Findings AccuracyMedium

Explain how to validate whether a model-backed finding is accurate, reliable, and decision-ready.

Cross-ValidationCalibrationAccuracyAstraZeneca
Use True and False PositivesMedium

Tests your understanding of classification errors and how you apply them to decision-making.

false positivesAstraZeneca
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2
Pipelines3 questions · ~24 min
Preferred Data Analysis LibrariesEasy

Explain which data analysis libraries you prefer in pipeline work and why you choose them.

ToolsData WranglingAstraZeneca
Handling Missing Data in PipelinesMedium

Approach for handling missing data in an ML data pipeline, including validation, imputation, and safe downstream consumption.

InfrastructureETLBatch ProcessingAstraZeneca
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3
Machine Learning8 questions · ~64 min
Tune Hyperparameters for Model SelectionMedium

Choose hyperparameters with cross-validation and validation metrics, while balancing bias, variance, and overfitting.

Hyperparameter TuningCross-ValidationRegularizationAstraZeneca
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffAstraZeneca
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4
Statistics & Probability3 questions · ~24 min
Clinical Trial Statistics MethodsHard

Tests your ability to select and justify statistical methods for clinical trial analysis.

Confidence IntervalsHypothesis TestingA/B TestingAstraZeneca
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5
Behavioral & Leadership3 questions · ~24 min
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6
More topics1 question · ~8 min
Motivation for Pharma ImpactHard

Tests motivation and alignment with patient impact and pharma domain context.

User NeedsValue PropositionProduct VisionAstraZeneca
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