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Updated weekly · Last refresh Oct 17

Disney Streaming Services Data Scientist Interview Questions

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

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1
A/B Testing & ExperimentationStart here. 3 questions · ~26 min
Pitfalls in Streaming Experiment AnalysisHard

Identify major online experiment pitfalls and explain how they can bias results in a streaming product A/B test.

Network InterferenceNovelty EffectSample Ratio MismatchDisney Streaming Services
Designing an A/B TestMedium

Evaluates experimental design thinking and ability to propose measurable product changes.

experiment designMetricsDisney Streaming Services
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2
Behavioral & Leadership11 questions · ~94 min
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3
More topics10 questions · ~85 min
7-Day Rolling Active UsersMedium
Practice

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

Window FunctionsDate FunctionsRunning TotalsDisney Streaming Services
L1 vs L2 RegularizationMedium

Explain how L1 and L2 regularization differ geometrically and probabilistically, grounded in a practical supervised learning example.

Feature EngineeringRegularizationSupervised LearningDisney Streaming Services
Diagnose KPI Drop After ReleaseMedium

Diagnose a post-release KPI drop by separating instrumentation issues from real behavior changes and tracing the problem through the metric hierarchy.

KPILeading IndicatorsDiagnosisDisney Streaming Services
Sample Size for Small LiftHard

Tests power analysis intuition and ability to plan experiments for subtle effects.

MDEPower AnalysisSample SizeDisney Streaming Services
User Segmentation for Retention ChangeMedium

Tests segmentation strategy and analytical reasoning to pinpoint drivers of retention changes.

User SegmentsUser ResearchRetentionDisney Streaming Services
Churn Rate From Sign-UpsMedium

Tests ability to translate retention and churn definitions into correct data logic and metrics computation.

KPIChurnmonthly closeDisney Streaming Services
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