Duke University Data Scientist Interview Questions
The questions to prepare for a Duke University Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Use PostgreSQL window functions to calculate grant-level running totals and three-month moving averages for Duke research expenditures.
Duke UniversityUse ROW_NUMBER to return each student's second score on a specified Khan Academy exercise.
Khan AcademyCalculate a three-day moving average of active-client revenue using aggregation and SQL window functions.
Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.
Duke UniversityEvaluates metric design principles for new, unvalidated digital services at Duke University.
Duke UniversityEvaluates statistical test selection based on data distribution and assumptions.
Duke UniversityAssesses KPI selection and measurement design for a university-wide communications initiative.
Duke UniversityEvaluates end-to-end experiment design for a Duke University product feature.
Duke UniversityExplain which data analysis libraries you prefer in pipeline work and why you choose them.
Duke UniversityTests your understanding of metrics, validation strategy, and tradeoffs for model quality.
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