Aetna Data Scientist Interview Questions
The questions to prepare for a Aetna Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Use PostgreSQL window functions to calculate cumulative and rolling three-month claim metrics for Aetna members.
AetnaRank the three most prescribed medications in each Aetna region using joins, aggregation, and ROW_NUMBER().
AetnaReason about power analysis when planning an experiment and choosing sample size.
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Build a measurement framework for a new patient onboarding feature, with clear success metrics, guardrails, and decision criteria.
AetnaDesign an A/B test for a new digital product launch with clear metrics, power, guardrails, and a defensible ship decision.
AetnaInvestigate a 15% engagement decline by decomposing the metric, isolating root causes, and proposing actions.
AetnaEvaluates your end-to-end process for choosing and validating models for a healthcare prediction use case.
AetnaTests your ability to choose appropriate classification metrics when accuracy fails.
AetnaAssesses knowledge of distributed data processing frameworks and their trade-offs.
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