Amazon Services Data Scientist Interview Questions
The questions to prepare for a Amazon Services Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Compare Random Forest and Logistic Regression for a binary classification task using preprocessing, validation, interpretability, and performance tradeo...
Amazon ServicesFramework for deciding when to favor short-term conversion gains versus long-term retention in a product decision.
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Choose the right evaluation metric for an imbalanced dataset and explain why accuracy can mislead.
Amazon ServicesSet up a KPI framework that links product usage signals to longer-term business outcomes and shows whether a solution is working.
Amazon ServicesExplain what a p-value means, how it relates to statistical significance, and how to describe it clearly to non-technical stakeholders.
Amazon ServicesExplain SQL window functions and when to use ROW_NUMBER() versus DENSE_RANK() for ranked ticket analysis.
Amazon ServicesCalculate the longest consecutive login streak for each user using window functions and date manipulations.
Chime
ECS
SalesforceIdentify customers with at least two plan upgrades in the same calendar month using PostgreSQL CTEs and aggregations.
MongoDBAmazon ServicesCompute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.
Meta
Spotify
Meta ITDesign an A/B test for a new platform feature, including success metrics, power, guardrails, and a clear ship decision.
Amazon ServicesApproach for maintaining data quality and integrity across ETL pipelines.
Amazon Services