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Updated weekly · Last refresh Oct 17

dunnhumby Research Scientist Interview Questions

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

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1
Machine LearningStart here. 5 questions · ~41 min
Retail Campaign EvaluationHard

Assesses ability to evaluate retail campaigns with appropriate metrics and improvement thinking.

case studydunnhumby
Transactional Data for Online SalesMedium

Evaluates applied thinking for using transactional data to drive online sales outcomes.

salestransactional datadunnhumby
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2
Statistics & Probability4 questions · ~33 min
Linear Regression AssumptionsMedium

Assesses statistical understanding and practical validation of linear regression assumptions.

linear regressionassumptionsdunnhumby
Python, SQL, and Project SkillsMedium

Assesses ability to connect technical skills to real project outcomes.

statisticssqlpythondunnhumby
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3
Behavioral & Leadership5 questions · ~41 min
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4
More topics4 questions · ~33 min
Word2Vec MechanicsMedium

Evaluates understanding of NLP representation learning and embedding intuition.

dunnhumby
ROC AUC and Model MetricsMedium

Tests understanding of model evaluation metrics and comparison across model types.

Regressiondunnhumby
Retail Case Study CodingMedium

Tests practical coding approach for retail analytics case work.

case studydunnhumby
SQL Basics and Query ExecutionHard

Assesses SQL proficiency and understanding of query execution order.

statisticssqlpythondunnhumby

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