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Genpact Data Scientist Interview Questions

The questions to prepare for a Genpact Data Scientist interview. Questions from real interview reports rank first. Updated weekly.

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Handling Class Imbalance in Classification
Medium

Explain practical ways to train and evaluate a classifier when the target classes are highly imbalanced.

model trainingSupervised LearningClass Imbalance
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7-Day Rolling Active Users
Medium

Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.

Window FunctionsDate FunctionsRunning Totals
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Diagnose KPI Drop After Release
Medium

Diagnose a post-release KPI drop by separating instrumentation issues from real behavior changes and tracing the problem through the metric hierarchy.

KPILeading IndicatorsDiagnosis
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Pitfalls in Streaming Experiment Analysis
Hard

Identify major online experiment pitfalls and explain how they can bias results in a streaming product A/B test.

Network InterferenceNovelty EffectSample Ratio Mismatch
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Statistical Significance and Confidence Intervals
Easy

Explain how statistical significance and confidence intervals are interpreted in a product experiment.

Confidence IntervalsHypothesis TestingStatistical Significance
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Discuss an NLP Project
Easy

Walk through a real NLP project, including preprocessing, modeling choices, and the main challenges you had to solve.

Language ModelsText ClassificationTokenization
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