razorpay Data Scientist Interview Questions
The questions to prepare for a razorpay Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Explain how the bias-variance tradeoff guides model selection and generalization.
razorpayInvestigate whether a performance decline is seasonal or a real product issue.
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Describe an A/B test you ran, what question it answered, how you measured success, and what you learned from the results.
razorpayDifferentiate between Type I and Type II errors in hypothesis testing with a practical example.
razorpayApproach for handling missing data in an ML data pipeline, including validation, imputation, and safe downstream consumption.
razorpayEvaluates your SQL understanding and ability to reason about query performance.
razorpayTests your ability to design an end-to-end detection system for payment fraud signals.
razorpayAssesses your ability to choose appropriate metrics and diagnostics for model quality.
razorpayCompare RANK, DENSE_RANK, and ROW_NUMBER by applying each to ordered employee scores.
Identify each user's consecutive website activity streaks using date arithmetic and SQL window functions.
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Chewy
SuperhumanFind each user's longest consecutive login streak by deduplicating login dates and identifying gaps between days.
Didi Chuxing
ByteDance