Notion Labs Data Scientist Interview Questions
The questions to prepare for a Notion Labs Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Aggregate user activity by week, then use LAG to compare sessions and watch time versus the prior active week.
Notion LabsCalculate each customer's cumulative transaction amount over time using a CTE and window function.
Banco Santander
Anz
Bank Of Tokyo-Mitsubishi UFJDesign an A/B test for a new platform feature, including success metrics, power, guardrails, and a clear ship decision.
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Explain practical strategies for handling missing values in a supervised learning workflow, from diagnosis to modeling and validation.
Notion LabsAssess whether a new onboarding step improves activation quality or adds enough friction to reduce overall funnel performance.
Notion LabsEvaluates your product sense and metric design for long-term user value.
Notion LabsDecide whether a metric drop reflects a real shift or normal variation using hypothesis testing, confidence intervals, and baseline variability.
Notion LabsCompare batch and streaming data processing, including when each fits best in a pipeline.
Notion LabsTests your ability to choose product and model metrics for recommendation quality and impact.
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