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Updated weekly · Last refresh Oct 16

TotalEnergies Data Scientist Interview Questions

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

41questions
~6htotal time
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1
System DesignStart here. 4 questions · ~32 min
2
Machine Learning5 questions · ~40 min
3
SQL & Data Manipulation6 questions + 3 drills · ~79 min
4
A/B Testing & Experimentation3 questions · ~24 min
Primary vs Guardrail Metric ChoiceMedium

Choose a primary success metric and guardrails for a game experiment, then explain how that choice drives power, analysis, and ship decisions.

ExperimentationGuardrail MetricsA/B TestingTotalEnergies
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5
Pipelines4 questions · ~32 min
Design Real-Time Sensor Event PipelineHard

Design a real-time pipeline for sensor events that transforms data and feeds a UI with low latency.

Stream ProcessingOrchestrationDependenciesTotalEnergies
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6
Statistics & Probability4 questions · ~32 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 SignificanceTotalEnergies
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7
More topics15 questions · ~121 min
Evaluate Regression with RMSE and MAEEasy

Explain how to evaluate a regression model with RMSE and MAE, and how to interpret the tradeoff between average and large errors.

RegressionMAERMSETotalEnergies
Diagnose Conversion Drop Post LaunchMedium

Diagnose why conversion fell from 4.8% to 3.1% after a launch by breaking the metric across funnel steps, cohorts, and segments.

Funnel AnalysisConversion RateDiagnosisTotalEnergies
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The finish line: interview-readyComplete all 41 questions plus 3 hands-on drills to finish this plan.