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Prep plan

Updated weekly · Last refresh Oct 17

Nestle Health Science Data Scientist Interview Questions

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

21questions

~3htotal time

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SQL & Data ManipulationStart here. 4 questions + 2 drills · ~54 min

Rolling Average with SQL WindowsMedium

Practice

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

Nestle Health Science

Optimize a Slow QueryHard

Assesses performance troubleshooting and optimization strategies for large-scale SQL.

performancequery optimizationsql

Nestle Health Science

Scenario-Based Business CaseHard

Practice

Practice drill

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

project experienceJoinsbusiness problem

TikTok

Freight Volume YoY GrowthMedium

Practice

Practice drill

Calculate 2024 freight volume growth by Uber Freight region compared with 2023.

Date FunctionsJoinsData Analysis

Uber Freight

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A/B Testing & Experimentation5 questions · ~43 min

Metric for A/B Test EffectivenessMedium

Tests your ability to choose and define experiment metrics aligned to product outcomes.

Nestle Health Science

Handle Imbalanced A/B TestsMedium

Assesses your approach to experiment validity when randomization is imperfect.

A/B Testing

Nestle Health Science

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Behavioral & Leadership6 questions · ~51 min

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More topics6 questions · ~51 min

Metric for Nutritional Launch SuccessMedium

Assesses your product thinking for defining measurable success in nutrition-focused launches.

product metrics

Nestle Health Science

Investigate User Engagement DeclineMedium

Investigate a 15% engagement decline by decomposing the metric, isolating root causes, and proposing actions.

RetentionDiagnosisEngagement Metrics

Nestle Health Science

Supervised vs Unsupervised LearningMedium

Assesses your core ML understanding and your approach to modeling time-dependent patterns.

Unsupervised LearningSupervised Learning

Nestle Health Science

Assess Statistical SignificanceMedium

Assesses your understanding of hypothesis testing for decision-making on product metrics.

Statistical Significanceassessment

Nestle Health Science

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