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Prep plan
Updated weekly · Last refresh Oct 17

Cowen Business Analyst Interview Questions

The questions to prepare for a Cowen Business Analyst interview. Questions from real interview reports rank first. Updated daily.

32questions
~4htotal time
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1
ExecutionStart here. 3 questions · ~25 min
2
Statistics & Probability3 questions · ~25 min
Retention A/B Test for OnboardingMedium

Design and analyze a retention experiment using a two-proportion z-test to determine whether a new onboarding feature improves 7-day retention.

ExperimentationHypothesis TestingA/B TestingCowen
A/B Testing for Product FeaturesMedium

Explain how to design and evaluate an A/B test for a product feature, including metrics, MDE, sample size, and guardrails.

Hypothesis TestingStatistical SignificanceA/B TestingCowen
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3
Product Sense3 questions · ~25 min
Decide on Feature LaunchMedium

Framework for deciding whether a new customer-facing feature should launch, based on user value, priorities, success criteria, and trade-offs.

Feature PrioritizationUser NeedsMVPCowen
Projects You Worked OnEasy

Tests your ability to communicate impact, scope, and technical contributions across projects.

User NeedsUse CasesProduct VisionCowen
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4
Metrics4 questions · ~33 min
Analyze User Engagement Drop After Feature ReleaseMedium

Assess the 15% drop in user engagement after a new app feature release and propose metric decomposition strategies.

Cowen
Diagnose Conversion Drop Post LaunchMedium

Diagnose why conversion fell from 4.8% to 3.1% after a launch by breaking the metric across funnel steps, cohorts, and segments.

Funnel AnalysisConversion RateDiagnosisCowen
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5
Behavioral & Leadership18 questions · ~149 min
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6
More topics1 question · ~8 min
Staying Current on Industry TrendsEasy

A practical approach for tracking industry trends, competitor moves, and market changes in a way that informs strategy decisions.

EstimationCompetitive AnalysisGrowth StrategyCowen
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