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Empiric Interview Questions

The questions to prepare for Empiric interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

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1
Machine LearningStart here. 6 questions · ~51 min
2
A/B Testing & Experimentation3 questions · ~26 min
Pitfalls in Streaming Experiment AnalysisHard

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

Network InterferenceNovelty EffectSample Ratio MismatchEmpiric
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3
Pipelines7 questions · ~60 min
Cloud Storage in Data PipelinesEasy

Discuss how cloud storage fits into ETL pipelines, including staging, data quality, and operational monitoring.

InfrastructureETLEmpiric
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4
Product Sense3 questions · ~26 min
Define Launch Success MetricsMedium

Approach for choosing launch success metrics, including a north star, leading indicators, and clear success criteria.

Product-Market FitUser NeedsKPIEmpiric
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5
Statistics & Probability3 questions · ~26 min
Statistical Significance and Confidence IntervalsEasy

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

Confidence IntervalsHypothesis TestingStatistical SignificanceEmpiric
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6
Behavioral & Leadership22 questions · ~188 min
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7
More topics6 questions · ~51 min
7-Day Rolling Active UsersMedium
Practice

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

Window FunctionsDate FunctionsRunning TotalsEmpiric
Diagnose a Metric Drop After LaunchMedium

Investigate why a key KPI moved the wrong way after a product change and separate signal from noise.

Lagging IndicatorsLeading IndicatorsDiagnosisEmpiric
Evaluating Model PerformanceMedium

Tests model evaluation methodology, metrics selection, and validation practices.

performance metricsModel EvaluationvalidationEmpiric
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Hands-on SQL practiceWrite and run real queries in the editor. 1 drill · ~10 min
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