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Prep plan
Updated weekly · Last refresh Aug 30

Avathon Data Scientist Interview Questions

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

50questions
~7htotal time
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1
SQL & Data ManipulationStart here. 6 questions + 2 drills · ~70 min
2
Model Evaluation3 questions · ~25 min
Evaluate Regression with RMSE and MAEEasy

Explain how to evaluate a regression model with RMSE and MAE, and how to interpret the tradeoff between average and large errors.

RegressionMAERMSEAvathon
Validate Model Before DeploymentMedium

Approach for validating a machine learning model before deployment, from offline testing to threshold and calibration checks.

Cross-ValidationAccuracyThreshold TuningAvathon
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3
Machine Learning20 questions · ~168 min
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffAvathon
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4
Statistics & Probability5 questions · ~42 min
A/B Testing for Product FeaturesMedium

Explain how to design and evaluate an A/B test for a product feature, including metrics, MDE, sample size, and guardrails.

Hypothesis TestingStatistical SignificanceA/B TestingAvathon
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5
Product Sense5 questions · ~42 min
Prioritize an AI Product RoadmapMedium

Framework for prioritizing AI product roadmap features using user needs, business impact, metrics, and execution trade-offs.

User SegmentsFeature PrioritizationAvathon
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6
A/B Testing & Experimentation4 questions · ~34 min
Avoid Pitfalls in Online ExperimentsHard

Explain common online experimentation pitfalls and how to design, analyze, and decide in ways that avoid false wins.

Network InterferenceNovelty EffectSample Ratio MismatchAvathon
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7
More topics7 questions · ~59 min
Churn Predictor IdentificationMedium

Tests feature engineering, modeling approach, and evaluation for churn prediction.

RegressionChurnDiagnosisAvathon
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.