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Updated weekly · Last refresh Aug 30

PlayStation Data Scientist Interview Questions

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

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1
SQL & Data ManipulationStart here. 6 questions + 2 drills · ~70 min
SQL Window Functions for Rolling DAUMedium
Practice

Calculate PlayStation Plus subscribers' 7-day rolling DAU average using date aggregation and window functions.

Window FunctionsData AnalysissqlPlayStation
SQL Report With Missing AddressesEasy
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Recently asked
Practice drill

Use a LEFT JOIN to report every PlayStation profile with city and state, including profiles without an address.

sqlPlayStation
SQL Cohort Metrics QueryHard
Practice
Practice drill

Build monthly PlayStation Network cohort metrics using CTEs, joins, date functions, and conditional aggregation.

sql querydata extractionPlayStation
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2
Machine Learning10 questions · ~83 min
Explain Random ForestsEasy
Recently asked

Explain how random forests work, why they reduce variance, and when they are a good choice.

Cross-ValidationEnsemble MethodsDecision TreesPlayStation
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3
Metrics4 questions · ~33 min
Diagnose Facebook DAU DropMedium

Investigate a sudden Facebook DAU decline by separating data issues from real product or platform-driven behavior changes.

KPIsLeading IndicatorsDiagnosisPlayStation
Evaluate Live Ops Retention ImpactMedium

Assess whether live ops improves true player retention versus creating short-lived engagement spikes.

RetentionDiagnosisEngagement MetricsPlayStation
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4
A/B Testing & Experimentation6 questions · ~50 min
Testing Multiplayer Features With InterferenceHard

Design an experiment for a multiplayer feature where user-level randomization may fail because treatment spills over through player interactions.

Network InterferenceExperimentationGuardrail MetricsPlayStation
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5
Product Sense4 questions · ~33 min
Getting Stakeholders to Buy InMedium
Recently asked

Evaluates stakeholder management, communication, and influence strategies.

product developmentPlayStation
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6
Statistics & Probability6 questions · ~50 min
ML and Stats, Including SQLMedium
Recently asked

Assesses breadth in core DS fundamentals and readiness for interactive problem solving.

probabilitystatisticssqlPlayStation
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7
More topics10 questions · ~83 min
Model Evaluation for Time SeriesMedium
Recently asked

Assesses time-series validation strategy, leakage prevention, and evaluation metrics.

PlayStation
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The finish line: interview-readyComplete all 46 questions plus 2 hands-on drills to finish this plan.