Top 19
Prep plan
Updated weekly · Last refresh Oct 16
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Hexaware Data Scientist Interview Questions

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

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~3htotal time
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1
Product SenseStart here. 3 questions · ~27 min
2
A/B Testing & Experimentation3 questions · ~27 min
Common Pitfalls in Experiment ResultsHard

Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.

PeekingNovelty EffectSample Ratio MismatchHHexaware
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3
Machine Learning3 questions · ~27 min
OOP Concepts in PythonEasy

Evaluates your understanding of object-oriented programming fundamentals in Python for maintainable ML code.

pythonoopHHexaware
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4
Behavioral & Leadership4 questions · ~35 min
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5
More topics6 questions · ~53 min
Window Functions Rolling ComparisonHard
Practice

Compute each user's seven-day activity average and compare it with the corresponding rolling average from the prior week.

Window FunctionsLag/LeadData ManipulationHHexaware
Statistical Significance in Hypothesis TestingEasy

Explain what statistical significance means and why it matters when interpreting experimental or analytical results.

Hypothesis TestingData AnalysisStatistical SignificanceHHexaware
MLOps Deployment and PipelinesHard

Tests your ability to productionize models with reliable pipelines, deployment, and operational monitoring.

deploymentmlopsHHexaware
NLP Project Deep DiveMedium

Assesses your ability to deliver and evaluate NLP solutions end to end.

project experienceNLPHHexaware
Diagnose Sudden KPI DropMedium

Assesses structured debugging and prioritization of root causes in a client project context.

root cause analysisperformance metricsHHexaware
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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
The finish line: interview-readyComplete all 19 questions plus 2 hands-on drills to finish this plan.