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Updated weekly · Last refresh Oct 17

Samsara Data Scientist Interview Questions

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

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1
SQL & Data ManipulationStart here. 4 questions + 1 drill · ~47 min
Rolling 7-Day Incident AverageMedium
Practice

Calculate a calendar-aware 7-day average of Samsara incident counts using CTEs and window functions.

Window FunctionsData AnalysissqlSamsara
First and Last Interaction with CTEsMedium
Practice

Use PostgreSQL CTEs to return each user's earliest and latest timestamped event, including the corresponding event types.

CTEssqlAggregationsSamsara
Window Functions for Rolling MetricsMedium
Practice
Practice drill

Explain window functions and calculate a rolling average for time-series measurements.

Window Functionsanalytics toolsDate FunctionsccausaLensPPathAIRRio Tinto
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2
Product Sense4 questions · ~37 min
Fleet KPI Beyond DAUMedium

Assesses KPI selection and reasoning about metric validity for operational products.

KPISamsara
Safety Alert Feature SuccessMedium

Evaluates how you define and measure outcomes for an AI feature in a safety-critical context.

Samsara
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3
A/B Testing & Experimentation4 questions · ~37 min
A/B Test for Driver App UIMedium

Assesses experimental design for product changes in a real-world app setting.

experiment designA/B TestingSamsara
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4
Behavioral & Leadership4 questions · ~37 min
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5
More topics4 questions · ~37 min
Measuring Tenure ImpactHard

Evaluates your approach to causal or statistical analysis for the impact of tenure on efficiency.

efficiencySamsara
Diagnose Active User DropMedium

Assesses structured investigation and root-cause analysis for product usage anomalies.

root cause analysisDiagnosisuser engagementSamsara
Metric for A/B Test SignificanceMedium

Evaluates understanding of statistical metrics and how they connect to experiment outcomes.

Statistical SignificanceA/B TestingSamsara
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The finish line: interview-readyComplete all 20 questions plus 1 hands-on drill to finish this plan.