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Updated weekly · Last refresh Sep 20
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Aman Data Scientist Interview Questions

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

15questions
~2htotal time
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1
A/B Testing & ExperimentationStart here. 3 questions · ~26 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 MismatchAAman
Ensuring Reliable A/B TestsMedium

Tests knowledge of experiment validity, diagnostics, and result trustworthiness.

experiment designA/B TestingAAman
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2
Statistics & Probability3 questions · ~26 min
Bias Variance Trade-offMedium

Evaluates ability to reason about model generalization and error sources.

BiasMachine LearningVarianceAAman
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3
Behavioral & Leadership4 questions · ~35 min
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4
More topics5 questions · ~44 min
Rolling Average Over Last 30 DaysMedium
Practice

Calculate each customer's 30-day rolling engagement average using a PostgreSQL window function.

Date FunctionsData ManipulationAggregationsAAman
Investigate Metric DropMedium

Diagnose a below-expectations product metric drop using decomposition, guardrails, and experiment checks.

metric selectionDiagnosiskpi hierarchyAAman
Decision Trees and NonlinearityMedium

Assesses understanding of how decision trees model non-linear patterns.

Model EvaluationDecision TreesAAman
Designing Product Metrics at AmanMedium

Assesses ability to define metrics that connect product outcomes to business objectives.

product metricsAAman
Diagnose KPI Drop After ReleaseMedium

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

KPILeading IndicatorsDiagnosisAAman

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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
Consecutive Activity Days QueryMedium
Practice
Practice drill

Identify each user's consecutive website activity streaks using date arithmetic and SQL window functions.

Window FunctionsDate FunctionsData ManipulationIntuit Management ConsultancyChewyAllstate
Rolling 30-Day Latency SQLHard
Practice
Practice drill

Calculate 30-day rolling delivery latency averages for each regional hub and vendor tier.

Date FunctionsData Manipulationsql queryMeta
The finish line: interview-readyComplete all 15 questions plus 2 hands-on drills to finish this plan.