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Updated weekly · Last refresh Oct 17

Saint-Gobain Data Scientist Interview Questions

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

45questions
~6htotal time
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1
Machine LearningStart here. 21 questions · ~174 min
Time Series Feature EngineeringMedium

Design lag, rolling, and calendar features for a forecasting problem with temporal dependence.

Feature EngineeringSupervised LearningTime SeriesSaint-Gobain
Explain Random ForestsEasy

Explain how random forests work, why they reduce variance, and when they are a good choice.

Cross-ValidationEnsemble MethodsDecision TreesSaint-Gobain
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2
Pipelines5 questions · ~41 min
Design an End-to-End Data PipelineMedium

Approach for designing an end-to-end data pipeline from ingestion through transformation, storage, and downstream consumption.

data pipelinedesigningestionSaint-Gobain
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3
Model Evaluation6 questions · ~50 min
Quantifying Model ErrorMedium

Assesses your ability to measure and interpret model error for decision-making.

evaluation metricsSaint-Gobain
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4
SQL & Data Manipulation4 questions + 2 drills · ~53 min
Rolling Average Over 7 DaysMedium
Practice

Calculate per-sensor seven-day rolling temperatures using CTEs, daily aggregation, and a time-based window frame.

Window FunctionsDate FunctionsRunning TotalsSaint-Gobain
Inner Join vs Outer JoinEasy
Practice
Practice drill

Demonstrate how INNER JOIN and FULL OUTER JOIN handle matching and unmatched rows.

JoinsData Wranglingnull valuesRocketNeenOpaleBay
Synapse Joins and Salary FilterMedium
Practice
Practice drill

Compare inner and left join results while returning employees whose salary exceeds the company-wide average.

SubqueriesJoinsAggregationsSaint-Gobain
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5
Product Sense3 questions · ~25 min
Prioritizing Features for Industrial AnalyticsMedium

Tests product sense and prioritization tradeoffs for delivering value in industrial analytics.

Feature PrioritizationUser NeedsMVPSaint-Gobain
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6
More topics6 questions · ~50 min
Handling Outliers in Sensor DataMedium

Tests statistical and data-quality techniques for robust modeling with noisy industrial signals.

RegressionCorrelationTime SeriesSaint-Gobain
Success Metrics for Predictive ModelsMedium

Tests metric selection aligned to operational goals and model evaluation in industrial contexts.

KPIsLeading IndicatorsDiagnosisSaint-Gobain
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The finish line: interview-readyComplete all 45 questions plus 2 hands-on drills to finish this plan.