Top 35
Prep plan
Updated weekly · Last refresh Aug 30

Cruise Data Scientist Interview Questions

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

35questions
~5htotal time
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1
A/B Testing & ExperimentationStart here. 3 questions · ~24 min
Design Test for New FeatureMedium

Design an A/B test for a new platform feature, including success metrics, power, guardrails, and a clear ship decision.

experiment designfeature evaluationA/B TestingCruise
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 MismatchCruise
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2
System Design3 questions · ~24 min
Design a Ride Matching RankerHard

Design the ML system for ride matching in a ride-sharing app, from candidate retrieval through ranking, serving, and monitoring.

Feature StoreModel ServingRecommendation SystemsCruise
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3
Metrics5 questions · ~41 min
Define a Rider Growth North StarMedium

Define a North Star Metric for rider growth and explain how to monitor the supporting KPIs and leading indicators.

North Star MetricRetentionLeading IndicatorsCruise
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4
Machine Learning6 questions · ~49 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 TradeoffCruise
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5
SQL & Data Manipulation6 questions + 3 drills · ~79 min
6
Behavioral & Leadership10 questions · ~81 min
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7
More topics2 questions · ~16 min
Choosing a Significance TestEasy

Explain how to choose an appropriate significance test based on metric type, study design, and the null hypothesis.

Confidence IntervalsHypothesis TestingStatistical SignificanceCruise
Evaluating a New ModelMedium

Tests your ability to choose appropriate ML evaluation metrics and interpret tradeoffs.

PrecisionAccuracyRecallCruise
The finish line: interview-readyComplete all 35 questions plus 3 hands-on drills to finish this plan.