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Updated weekly · Last refresh Oct 17

Hewlett Packard Enterprise Data Scientist Interview Questions

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

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~5htotal time
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1
Machine LearningStart here. 8 questions · ~68 min
Feature Selection TechniquesHard

Compare filter, wrapper, and embedded feature selection methods while preserving validation performance and interpretability.

Cross-Validationmodel selectionFeature EngineeringHewlett Packard Enterprise
Bias Variance and RegularizationMedium

Explain the bias-variance tradeoff mathematically and how L1 and L2 regularization change model complexity and weights.

Bias-Variance TradeoffRegularizationSupervised LearningHewlett Packard Enterprise
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2
A/B Testing & Experimentation3 questions · ~25 min
Analyze Results of UX A/B TestMedium

Explain how you would design and analyze a UX A/B test, from hypothesis and power to guardrails and launch decision.

ExperimentationStatistical SignificanceA/B TestingHewlett Packard Enterprise
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3
System Design3 questions · ~25 min
Design a Personalized Recommendation RankerHard

Design a personalized recommendation system that turns user preferences into ranked suggestions with retrieval, ranking, and feedback loops.

RetrievalTwo-Tower ModelsRecommendation SystemsHewlett Packard Enterprise
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4
Metrics3 questions · ~25 min
Predict Churn Using a ModelMedium

Evaluates end-to-end modeling approach for churn prediction and decision readiness.

RetentionChurnDiagnosisHewlett Packard Enterprise
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5
Behavioral & Leadership12 questions · ~101 min
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6
More topics6 questions · ~51 min
Analyze Customer Purchase Trends with Window FunctionsEasy
Practice

Calculate the monthly spending trends for customers using window functions and joins.

Hewlett Packard Enterprise
Evaluating Observed Lift SignificanceMedium

Explain how to test whether an observed experiment lift is real using hypothesis testing, p-values, and confidence intervals.

Confidence IntervalsStatistical SignificanceP-ValuesHewlett Packard Enterprise
Analyze Business Case with DataMedium

Evaluates how you translate data into business outcomes and structure problem solving.

Value PropositionUse CasesProduct VisionHewlett Packard Enterprise
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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
SQL for SLA and Staffing AnalysisMedium
Practice
Practice drill

Join HPE service and staffing data to calculate monthly SLA attainment by team.

Date FunctionsJoinsGroup ByHewlett Packard Enterprise
Identify Funnel Bottlenecks in OnboardingHard
Practice
Practice drill

Use joins, CTEs, and aggregations to find the weakest step in an onboarding funnel and estimate lost conversions.

Funnel AnalysissqlDiagnosisAtlassianRevolut
The finish line: interview-readyComplete all 35 questions plus 2 hands-on drills to finish this plan.