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Updated weekly · Last refresh Oct 17

TÜV SÜD Group Data Scientist Interview Questions

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

18questions
~3htotal time
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1
SQL & Data ManipulationStart here. 3 questions + 2 drills · ~47 min
Rolling Average with SQL WindowsMedium
Practice

Calculate each active RpmGlobal Enterprise Planning user's 30-day rolling average of daily activity.

TÜV SÜD Group
Using Data to Solve ProblemsMedium
Practice
Practice drill

Use campaign data to compare conversion performance and demonstrate a data-driven answer with PostgreSQL.

JoinsData Analysisbusiness problemMicrosoft
Scenario-Based Business CaseHard
Practice
Practice drill

Aggregate project outcomes and present a defensible SQL-based business case analysis.

project experienceJoinsbusiness problemTikTok
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2
A/B Testing & Experimentation4 questions · ~36 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 TestingTÜV SÜD Group
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 MismatchTÜV SÜD Group
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3
Behavioral & Leadership6 questions · ~53 min
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4
More topics5 questions · ~44 min
Statistical Significance in Hypothesis TestingEasy

Explain what statistical significance means and why it matters when interpreting experimental or analytical results.

Hypothesis TestingData AnalysisStatistical SignificanceTÜV SÜD Group
First Checks for Metric DropsEasy

Outline the first checks to diagnose a sudden drop in a core product metric, starting with data quality, scope, and decomposition.

Lagging IndicatorsLeading IndicatorsDiagnosisTÜV SÜD Group
Explain a Machine Learning ModelMedium

Tests your ability to communicate model intuition, assumptions, and practical considerations.

TÜV SÜD Group
Prioritize KPIs for Predictive MaintenanceMedium

Assesses your ability to select KPIs that align data science outputs with business value.

KPIsTÜV SÜD Group
Balance Satisfaction and EfficiencyMedium

Evaluates trade-off thinking between user outcomes and operational performance measures.

balanceoperational efficiencyTÜV SÜD Group
The finish line: interview-readyComplete all 18 questions plus 2 hands-on drills to finish this plan.