Top 50
Prep plan
Updated weekly · Last refresh Oct 17

Novartis Data Scientist Interview Questions

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

50questions
~7htotal time
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1
SQL & Data ManipulationStart here. 4 questions + 2 drills · ~54 min
2
A/B Testing & Experimentation9 questions · ~76 min
Guardrails for a Pricing Change TestMedium

Define guardrail metrics and power for a pricing change A/B test without shipping a revenue lift that hurts conversion or rider experience.

ExperimentationGuardrail MetricsA/B TestingNovartis
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3
Model Evaluation4 questions · ~34 min
Evaluate Predictive Power of a ModelMedium

Assess whether a model has real predictive power using validation performance, calibration, and threshold behavior.

Cross-ValidationMAERMSENovartis
Diagnose Consistently Inaccurate PredictionsHard

Approach for diagnosing why a model's predictions are consistently inaccurate.

CalibrationAccuracyThreshold TuningNovartis
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4
Statistics & Probability5 questions · ~42 min
Explaining Confidence IntervalsEasy

Explain what a confidence interval means and how to communicate it to a non-technical stakeholder.

Confidence IntervalsHypothesis TestingCommunicationNovartis
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5
Metrics4 questions · ~34 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 MetricKPIsNovartis
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6
Machine Learning12 questions · ~101 min
Decision Tree From ScratchHard

Implement a CART decision tree from scratch, including split selection, stopping rules, prediction, and evaluation.

Feature Engineeringmodel trainingSupervised LearningNovartis
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7
More topics12 questions · ~101 min
Define Feature Success MetricsMedium

Framework for choosing a feature's primary success metric and guardrails before launch.

MetricsFeature PrioritizationProduct VisionNovartis
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.