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Prep plan
~3h total · Updated weekly · Last refresh Jul 26

SLB Data Scientist Interview Questions

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

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Choosing Decision Trees
Medium

Tests model selection reasoning and tradeoffs for interpretability and performance.

model selectionDecision Trees
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Handling Missing Data in SQL
Easy

Explain how to identify, assess, and handle missing values in SQL using NULL checks, COALESCE, and validation logic.

Data WranglingCase WhenQuality
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Ensuring Data Integrity in SQL
Medium

Tests ability to prevent corruption and inconsistencies through validation, constraints, and checks.

best practicesData Manipulationdata integrity
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Design and Reflect on A/B Test
Medium

Describe an A/B test you ran, what question it answered, how you measured success, and what you learned from the results.

ExperimentationGuardrail MetricsA/B Testing
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Common Pitfalls in Experiment Results
Hard

Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.

PeekingNovelty EffectSample Ratio Mismatch
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Designing Engagement Metrics
Medium

Tests product thinking and ability to translate user behavior into reliable, measurable metrics.

product metricsdesignuser engagement
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