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Updated weekly · Last refresh Oct 17

Plymouth Rock Assurance Data Scientist Interview Questions

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

50questions
~7htotal time
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1
SQL & Data ManipulationStart here. 3 questions + 2 drills · ~45 min
2
A/B Testing & Experimentation6 questions · ~50 min
3
Metrics4 questions · ~34 min
Diagnose a Conversion DropHard

Investigate whether a conversion drop came from product friction, traffic mix, or an experiment artifact.

Funnel AnalysisConversion RateDiagnosisPlymouth Rock Assurance
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4
Machine Learning13 questions · ~109 min
Random Forest vs Gradient BoostingMedium

Compare Random Forest and Gradient Boosting, then choose the right ensemble for a supervised learning task.

Ensemble MethodsBias-Variance TradeoffSupervised LearningPlymouth Rock Assurance
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5
Statistics & Probability6 questions · ~50 min
Evaluating Observed Lift SignificanceMedium

Explain how to test whether an observed experiment lift is real using hypothesis testing, p-values, and confidence intervals.

Confidence IntervalsStatistical SignificanceP-ValuesPlymouth Rock Assurance
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6
Behavioral & Leadership14 questions · ~118 min
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7
More topics4 questions · ~34 min
Evaluate Precision and Recall TradeoffsMedium

Assess precision and recall for a model and explain how the threshold changes the tradeoff.

F1 ScorePrecisionRecallPlymouth Rock Assurance
Product Metric Framework for PortalMedium

Tests your ability to define metrics, leading indicators, and measurement strategy for product success.

North Star MetricKPIsProduct VisionPlymouth Rock Assurance
End-to-End Fraud Detection PipelineHard

Evaluates your system design thinking for productionizing a fraud model with monitoring and feedback loops.

Feature StoreFeature DriftModel ServingPlymouth Rock Assurance
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.