Top 44
Prep plan
Updated weekly · Last refresh Oct 17

Agile Defense Data Scientist Interview Questions

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

44questions
~6htotal time
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1
SQL & Data ManipulationStart here. 3 questions + 2 drills · ~45 min
2
A/B Testing & Experimentation6 questions · ~50 min
Measure Interference in Customer Change TestHard

Design an experiment when treatment spills across customers and contaminates the control group.

Network InterferenceSwitchback TestsA/B TestingAgile Defense
Plan Sample Size for In-App ExperimentMedium

Estimate sample size and power for an experiment, define MDE and guardrails, and decide whether the test is worth running.

MDEPower AnalysisSample SizeAgile Defense
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3
Metrics4 questions · ~33 min
Vanity vs Actionable MetricsEasy

Distinguish vanity metrics from metrics that drive decisions in a growth review.

North Star MetricKPIsDiagnosisAgile Defense
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4
Machine Learning6 questions · ~50 min
Hyperparameter Tuning for ML ModelsMedium

Explain a practical process for tuning model hyperparameters using cross-validation and overfitting checks.

Hyperparameter TuningCross-ValidationBias-Variance TradeoffAgile Defense
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5
Product Sense6 questions · ~50 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 valueAgile Defense
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6
Statistics & Probability6 questions · ~50 min
Experiment Analysis With PowerMedium

Tests statistical reasoning for experiment evaluation and planning with uncertainty and power.

Confidence IntervalsPower AnalysisSample SizeAgile Defense
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7
More topics13 questions · ~108 min
Model Performance MetricsEasy

Tests ability to choose appropriate evaluation metrics for different modeling goals.

PrecisionAccuracyRecallAgile Defense
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The finish line: interview-readyComplete all 44 questions plus 2 hands-on drills to finish this plan.