PayU Data Scientist Interview Questions
The questions to prepare for a PayU Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Explain how to train and evaluate models on highly imbalanced fraud data without relying on misleading accuracy.
PayUTests understanding of logistic regression and its probabilistic interpretation.
PayUAssesses understanding of CLT and how you apply it in real work.
PayUAssesses ability to build ROI estimates from data and assumptions.
PayUIdentify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
PayUAssesses foundational SQL knowledge for querying and performance considerations.
PayUOutline the first checks to diagnose a sudden drop in a core product metric, starting with data quality, scope, and decomposition.
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Tests system design skills for real-time anomaly detection on transaction streams.
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