Top 50 case study Interview Questions
The most frequently asked case study questions across all roles and companies, ranked by real interview frequency. Updated daily.
Build a SQL evidence summary comparing model evaluation metrics, prior runs, and performance rank.
C3 AIAggregate Uber product performance by city, then rank products by completed trips and completion rate.
UberSummarize January pin activity and saves per creator while retaining creators whose qualifying pins received no saves.
PinterestPrepare modeling records, calculate segment-level error metrics, compare model versions, and summarize management assumptions with PostgreSQL.
RobinhoodAnalyze customer transaction activity with joins, aggregations, and conditional classification.
Capital OneDemonstrate a structured SQL approach using joins, CTEs, aggregation, and month-over-month comparisons.
DoorDashAggregate scooter ride activity by zone and day to identify operational demand, cancellations, wait times, and availability.
DoorDashSelect the strongest improving AI/ML solution per case using validation history, reproducibility, and documented theory evidence.
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