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Prep plan
Updated weekly · Last refresh Aug 30

Novo Nordisk Data Scientist Interview Questions

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

50questions
~8htotal time
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1
SQL & Data ManipulationStart here. 8 questions · ~73 min
2
Statistics & Probability8 questions · ~73 min
Understanding Type I and Type II Errors in TestingMedium

Differentiate between Type I and Type II errors in hypothesis testing with a practical example.

Hypothesis TestingStatistical SignificanceP-ValuesNovo Nordisk
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3
Machine Learning8 questions · ~73 min
Bias-Variance Tradeoff in Model SelectionEasy

Explain how bias and variance shape model complexity, generalization, and model selection.

Cross-ValidationBias-Variance TradeoffRegularizationNovo Nordisk
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4
Model Evaluation7 questions · ~64 min
Precision vs Recall TradeoffEasy

Explain the difference between precision and recall, and how each reflects a different type of classification error.

Evaluation TechniquesClassificationConfusion MatrixNovo Nordisk
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5
Pipelines5 questions · ~46 min
Backfilling Missing Pipeline DataMedium

Approach for safely backfilling missing data while preserving correctness, idempotency, and data quality.

ETLQualityNovo Nordisk
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6
NLP4 questions · ~36 min
Extract Clinical Entities from NotesMedium

Build a medical NER pipeline to extract medications and diagnoses from clinical notes using transformer models and span-level evaluation.

Language ModelsNamed Entity RecognitionTokenizationNovo Nordisk
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7
More topics10 questions · ~91 min
Define a Product North StarMedium

Define a North Star Metric for a product and explain how it guides KPI selection and growth decisions.

User SegmentsNorth Star MetricKPIsNovo Nordisk
Design Test for New FeatureMedium

Design an A/B test for a new platform feature, including success metrics, power, guardrails, and a clear ship decision.

experiment designfeature evaluationA/B TestingNovo Nordisk
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