Expedia (IT) Data Scientist Interview Questions
The questions to prepare for a Expedia (IT) Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.
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Explain how to design and evaluate an A/B test for a product feature, including metrics, MDE, sample size, and guardrails.
Expedia (IT)Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
Expedia (IT)Assess the 15% drop in user engagement after a new app feature release and propose metric decomposition strategies.
Expedia (IT)Tests SQL proficiency for querying, joining, aggregating, and deriving insights.
Expedia (IT)Use CTEs, aggregations, and window functions to compare gender pay and find each department's second-highest salary.
MeeshoRank Oracle Health EHR clinics by distinct completed patients using aggregation and ROW_NUMBER().
Calculate monthly sales and regional rolling three-month averages in Teradata Vantage using aggregation and window functions.
TeradataExplain precision, recall, F1-score, and ROC-AUC for a classification model.
Expedia (IT)Tests practical pipeline design, partitioning strategy, and efficient computation planning.
Expedia (IT)