Top 49
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Updated weekly · Last refresh Aug 30

Sony Data Scientist Interview Questions

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

49questions
~7htotal time
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1
SQL & Data ManipulationStart here. 7 questions + 1 drill · ~69 min
2
Machine Learning9 questions · ~76 min
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffSony
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3
Metrics5 questions · ~42 min
Investigate User Engagement DeclineMedium

Investigate a 15% engagement decline by decomposing the metric, isolating root causes, and proposing actions.

RetentionDiagnosisEngagement MetricsSony
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4
Product Sense6 questions · ~51 min
Using Data to Influence DecisionsEasy

Share how you used data to shape a business decision, including the analysis, recommendation, and outcome.

User ResearchUser NeedsValue PropositionSony
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5
Statistics & Probability9 questions · ~76 min
Assessing Feature EffectivenessEasy

Tests selection of appropriate statistical tests and evaluation of product impact.

Hypothesis TestingStatistical SignificanceA/B TestingSony
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6
A/B Testing & Experimentation6 questions · ~51 min
Handling Network Effects and InterferenceMedium

Evaluates your experimental strategy when users influence each other across treatment groups.

Network EffectsSony
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7
More topics7 questions · ~59 min
Word Frequency in a CorpusMedium

Evaluates ability to implement core NLP preprocessing and counting logic.

Sony
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The finish line: interview-readyComplete all 49 questions plus 1 hands-on drill to finish this plan.