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Updated weekly · Last refresh Oct 17

Amplitude Data Scientist Interview Questions

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

27questions
~4htotal time
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1
A/B Testing & ExperimentationStart here. 8 questions · ~65 min
Diagnose Sample Ratio MismatchHard

Investigate sample ratio mismatch and decide whether an experiment readout is trustworthy enough to ship.

Guardrail MetricsSample Ratio MismatchA/B TestingAmplitude
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 MismatchAmplitude
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2
Product Sense7 questions · ~57 min
Define Metrics for New FeaturesMedium

Define a success metric for a new feature that captures real user value, not just raw usage.

MetricsFeature Prioritizationuser valueAmplitude
Long-Term Retention vs EngagementMedium

Assesses your approach to distinguishing retention impact from short-term activity signals.

feature evaluationAmplitude
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3
Statistics & Probability3 questions · ~24 min
Statistical Significance in Hypothesis TestingEasy

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

Hypothesis TestingData AnalysisStatistical SignificanceAmplitude
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4
Behavioral & Leadership5 questions · ~41 min
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5
More topics4 questions · ~33 min
First Checks for Metric DropsEasy

Outline the first checks to diagnose a sudden drop in a core product metric, starting with data quality, scope, and decomposition.

Lagging IndicatorsLeading IndicatorsDiagnosisAmplitude
Engagement Over Time SQLMedium

Tests SQL design for cohort or time-series engagement analysis.

Data Analysissqluser engagementAmplitude
Causal Effects for Heterogeneous TreatmentHard

Evaluates your ability to model causal impact variations across user segments.

modelingAmplitude
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 27 questions plus 3 hands-on drills to finish this plan.