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Updated weekly · Last refresh Oct 17

Course Hero Data Analyst Interview Questions

The questions to prepare for a Course Hero Data Analyst interview. Questions from real interview reports rank first. Updated daily.

19questions
~3htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 3 drills · ~70 min
Customer Orders: LEFT vs INNER JOINEasy

Explain how INNER JOIN and LEFT JOIN differ, and when to use each for matched-only versus all-left-row analysis.

JoinsData WranglingGroup ByCourse Hero
SQL Metrics ExtractionMedium

Tests your ability to translate metric definitions into correct SQL queries.

SQL & Data ManipulationGroup ByAggregationsCourse Hero
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
Top Customers by Net SalesMedium
Practice
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI
Top Daily Rides by VehicleMedium
Practice
Practice drill

Rank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.

Window FunctionsJoinsData WranglingWaymoCruise
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2
Behavioral & Leadership6 questions · ~48 min
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3
More topics8 questions · ~64 min
Prioritize User Problems with DataMedium

Framework for using product data to identify and prioritize the user problem that should be solved first.

Feature PrioritizationUser NeedsPain PointsCourse Hero
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityCourse Hero
Statistics and Probability FundamentalsHard

Evaluates ability to use statistics and probability concepts to reason about data and uncertainty.

statisticsCourse Hero
A/B Testing on Course HeroMedium

Tests your experimental design thinking, metrics selection, and decision-making for product changes.

ExperimentationGuardrail MetricsA/B TestingCourse Hero
Finding Trends in Engagement DataMedium

Tests your analytical approach to exploring metrics and turning data into insights.

Leading IndicatorsDiagnosisEngagement MetricsCourse Hero
Why Course Hero Data AnalystEasy

Tests motivation and alignment with Course Hero’s mission and the Data Analyst role.

User NeedsValue PropositionProduct VisionCourse Hero
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The finish line: interview-readyComplete all 19 questions plus 3 hands-on drills to finish this plan.