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Eli Lilly and Data Analyst Interview Questions

The questions to prepare for a Eli Lilly and Data Analyst interview. Questions from real interview reports rank first. Updated weekly.

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1
ExecutionStart here. 4 questions · ~38 min
Cross-Functional Team Delivery ExampleEasy

Describe a time you aligned multiple functions, managed competing priorities, and delivered through strong execution.

Trade-offsStakeholder ManagementRoadmappingEli Lilly and
Lead Through a Critical DeliveryEasy

Describe a time you stepped into leadership during a high-stakes delivery with multiple stakeholders and execution risk.

LeadershipRoadmappingScope ManagementEli Lilly and
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2
Statistics & Probability9 questions · ~86 min
P-Value Interpretation for Promo EmailEasy

Use a two-proportion z-test to assess whether an email subject line's conversion lift is significant and explain the p-value for rollout decisions.

Hypothesis TestingStatistical SignificanceP-ValuesEli Lilly and
Explain P-Value in Marketing TestEasy

Use a two-proportion z-test to assess a banner A/B test, then explain the resulting p-value clearly to a non-technical stakeholder.

Confidence IntervalsHypothesis TestingP-ValuesEli Lilly and
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3
Behavioral & Leadership5 questions · ~48 min
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4
More topics6 questions · ~57 min
First Unique Element IndexEasy
Practice

Use a hash map frequency count to return the index of the first unique element in an array.

Hash TablesArraysStringsEli Lilly and
Python for ETL Pipeline TasksEasy

Discuss Python scripting experience for ETL, orchestration, and data quality tasks in data pipelines.

InfrastructureToolsETLEli Lilly and
Metric Drop: Anomaly vs RealityHard

Tests statistical reasoning and translating results into business investigation steps.

Lagging IndicatorsLeading IndicatorsDiagnosisEli Lilly and
Missing Data HandlingEasy

Tests practical SQL/data cleaning choices and impact on downstream analysis.

Data WranglingCase WhenAggregationsEli Lilly and
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 24 questions plus 3 hands-on drills to finish this plan.