Top 45
Prep plan
Updated weekly · Last refresh Aug 30

Caris Life Sciences Data Scientist Interview Questions

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

45questions
~6htotal time
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1
SQL & Data ManipulationStart here. 4 questions + 2 drills · ~53 min
2
A/B Testing & Experimentation6 questions · ~50 min
Use CUPED to Boost Experiment PowerHard

Design an experiment analysis that uses CUPED to reduce variance and detect a small lift with enough power.

ExperimentationCUPEDPower AnalysisCaris Life Sciences
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3
Product Sense4 questions · ~33 min
Define Metrics for New FeaturesMedium

Define a success metric for a new feature that captures real user value, not just raw usage.

MetricsFeature Prioritizationuser valueCaris Life Sciences
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4
Machine Learning8 questions · ~67 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 TradeoffCaris Life Sciences
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5
Statistics & Probability5 questions · ~42 min
Explaining P Values ClearlyEasy

Explain what a p-value means, how it relates to statistical significance, and how to describe it clearly to non-technical stakeholders.

CommunicationStatistical SignificanceP-ValuesCaris Life Sciences
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6
Model Evaluation3 questions · ~25 min
Common Model Evaluation MetricsEasy

Explain common machine learning evaluation metrics and when each is useful.

PrecisionAccuracyRecallCaris Life Sciences
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7
More topics15 questions · ~125 min
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 IndicatorsDiagnosisCaris Life Sciences
End-to-End Ranking SystemHard

Tests system design skills for building reliable ranking models in production clinical workflows.

ML RankingModel ServingRecommendation SystemsCaris Life Sciences
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The finish line: interview-readyComplete all 45 questions plus 2 hands-on drills to finish this plan.