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~5h total · Updated weekly · Last refresh Aug 9

Prime Video Data Scientist Interview Questions

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

Visualization Tools for Analytics Pipelines
Easy

Discuss which visualization tools fit different analytics pipeline needs, and why warehouse integration and monitoring matter.

ToolsData ModelingQuality
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Handling Imbalance in Churn Models
Medium

Explain how to train and evaluate a churn model when churn is rare and standard accuracy is misleading.

Bias-Variance TradeoffModel EvaluationSupervised Learning
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Diagnose Sample Ratio Mismatch
Hard

Investigate sample ratio mismatch and decide whether an experiment readout is trustworthy enough to ship.

Guardrail MetricsSample Ratio MismatchA/B Testing
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Monitor Production Model DegradationMedium

How to monitor a production model for degradation and alert before business impact grows.

AccuracyThreshold TuningRecall
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First Checks for Metric Drops
Easy

Outline the first checks to diagnose a sudden drop in a core product metric, starting with data quality, scope, and decomposition.

Lagging IndicatorsLeading IndicatorsDiagnosis
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7-Day Rolling Active Users
Medium

Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.

Window FunctionsDate FunctionsRunning Totals
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Prioritize Features for AI Products
Medium

A framework for prioritizing AI product features based on user value, feasibility, evaluation quality, and trade-offs.

Feature PrioritizationValue Proposition
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