Amazon Data Scientist Interview Questions

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

Handling Severe Class Imbalance

Medium

Explain how to train and evaluate a classifier when the positive class is rare and accuracy is misleading.

ExperimentationFeature EngineeringSupervised Learning

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Design UI Feature A/B Test

Medium

Design an experiment plan to measure whether a new UI feature improves user outcomes without hurting key guardrail metrics.

MetricsExperimentationUser Needs

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Significance of F1 Score

Medium

Tests your understanding of classification metrics and when F1 is the right evaluation choice.

MetricsStatistical SignificanceAccuracy

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Deploy ML Models to Production

Medium

Explain the operational, stakeholder, and risk challenges of putting an ML model into production and how you would execute a safe launch.

ExecutionModel EvaluationPipelines

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Central Limit Theorem Importance

Easy

Tests understanding of sampling distributions and their impact on inference.

DistributionsCentral Limit TheoremExpected Value

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Pandas Data Cleaning and Imputation

Medium

Tests your practical SQL and data manipulation skills for cleaning and imputing data for modeling.

Data ManipulationData WranglingPipelines

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