Top 14
Prep plan
Updated weekly · Last refresh Sep 22
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Skillz Data Scientist Interview Questions

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

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1
A/B Testing & ExperimentationStart here. 4 questions · ~32 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 MetricsSSkillz
Common Pitfalls in Experiment ResultsHard

Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.

PeekingNovelty EffectSample Ratio MismatchSSkillz
Launch Decision With p-ValueMedium

Evaluates statistical decision-making and practical experiment interpretation.

Decision MakingSSkillz
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2
Product Sense4 questions · ~32 min
Fairness Metric for MatchingMedium

Tests ability to define and validate a fairness metric for player matching outcomes.

fairnessUser NeedsSSkillz
Detecting Collusion in Mobile GamesHard

Evaluates ability to design detection signals and workflows for cheating in competitive play.

system designSSkillz
Difficulty vs Retention TradeoffMedium

Assesses product-metric thinking and experimentation strategy for difficulty tuning.

Trade-offsSSkillz
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3
Behavioral & Leadership4 questions · ~32 min
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4
More topics2 questions · ~16 min
Statistical Significance for PMsMedium

Assesses communication clarity for experiment results and statistical concepts.

CommunicationStatistical SignificanceSSkillz
Critical Mobile Gaming KPIsMedium

Evaluates KPI selection and causal or directional relationships among core gaming metrics.

MetricsSSkillz
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