Case: Segment users, size sales professionals, and predict adoption for an email-promoted product
Context: You are interviewing for a Data Scientist role focused on analytics and experimentation. Use structured reasoning, make minimal explicit assumptions, and show how you would validate your approach.
Tasks
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Segment LinkedIn’s user base by identifying and describing the five most salient user archetypes.
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LinkedIn reports roughly 500 million registered members. Develop a structured approach to estimate how many of them are sales professionals.
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Design a data-driven framework to predict which members will adopt a new LinkedIn product promoted through an email campaign.
Constraints:
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State assumptions clearly where data are missing.
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Show formulas and small numeric examples where helpful.
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Call out pitfalls, validation steps, and guardrails.