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Updated weekly · Last refresh Oct 17

Tag - The Aspen Group Data Scientist Interview Questions

The questions to prepare for a Tag - The Aspen Group Data Scientist interview. Questions from real interview reports rank first. Updated daily.

50questions
~7htotal time
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1
Model EvaluationStart here. 5 questions · ~41 min
2
A/B Testing & Experimentation4 questions · ~33 min
Pricing Page Experiment DesignHard

Design an end-to-end A/B test for a pricing page, including MDE, guardrails, analysis plan, and a ship decision.

Guardrail MetricsSample SizeA/B TestingTag - The Aspen Group
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3
Machine Learning11 questions · ~91 min
Feature Engineering for New ModelsMedium

Explain a practical framework for feature engineering, from raw data review to validation of feature impact on held-out data.

Feature EngineeringModel EvaluationSupervised LearningTag - The Aspen Group
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4
Product Sense5 questions · ~41 min
Align Analysis to Client GoalsEasy

Framework for keeping marketing analysis tied to client goals, decision needs, and measurable business outcomes.

User NeedsValue PropositionUse CasesTag - The Aspen Group
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5
SQL & Data Manipulation10 questions + 2 drills · ~102 min
6
Metrics4 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 IndicatorsDiagnosisTag - The Aspen Group
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7
More topics11 questions · ~91 min
Ensuring ReproducibilityMedium

Tests your practices for repeatable results using code, data versioning, and documentation.

best practicesreproducibilityAnalysisTag - The Aspen Group
Common Statistical Significance TestsMedium

Tests your understanding of hypothesis testing and appropriate test selection for GEN decisions.

Hypothesis TestingStatistical SignificanceTag - The Aspen Group
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.