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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 daily.

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1
Statistics & ProbabilityStart here. 6 questions · ~59 min
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
Statistics and Probability FoundationsMedium

Evaluates your statistical reasoning and ability to solve probability and statistics problems.

analyticsstatisticsEli Lilly and
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2
Execution4 questions · ~39 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
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3
Behavioral & Leadership5 questions · ~49 min
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4
More topics5 questions · ~49 min
Python for ETL Pipeline TasksEasy

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

InfrastructureToolsETLEli Lilly and
Region Aggregation and Moving AverageMedium

Tests SQL aggregation skills and time-series style feature calculation.

Window FunctionsRunning TotalsAggregationsEli Lilly and
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
Missing Data HandlingEasy

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

Data WranglingCase WhenAggregationsEli Lilly and
Pipeline Failure TriageMedium

Tests incident triage thinking and systematic debugging of data pipelines.

ETLOrchestrationDependenciesEli 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 20 questions plus 3 hands-on drills to finish this plan.