Business Metrics Definition and Strategy Questions

Emphasizes defining meaningful metrics and measurement frameworks that answer business questions and drive decisions. Candidates should be able to distinguish between count metrics, ratio metrics, and rate metrics; select appropriate observation windows and time alignment for retention, churn, and conversion analyses; account for multiple user touch points and events when attributing actions; and identify leading versus lagging indicators. This topic covers designing metric definitions that avoid double counting, selecting denominators and numerators that match the business question, segmenting users for insight, and documenting business logic to ensure consistency. At senior levels expect discussion of trade offs between simplicity and fidelity, governance of metric definitions, and how to prioritize which metrics matter for different stakeholders.

HardTechnical

0 practiced

Write a SQL query that computes rolling 7-day conversion rate per signup cohort while deduplicating users across devices. Schema includes:

users(user_id INT, signup_date DATE)user_devices(user_id INT, device_id VARCHAR)events(device_id VARCHAR, event_time TIMESTAMP, event_type VARCHAR)

Return: signup_date, window_end_date, rolling_7d_conversion_rate. Describe assumptions and any de-duplication logic used.

EasyTechnical

0 practiced

Explain the difference between anchoring retention on 'first touch' (signup date) versus 'calendar-aligned' retention (e.g., month of activity). Give an example of when each alignment is preferable and how you would implement the anchor choice in SQL.

EasyTechnical

0 practiced

Describe how you would select the numerator and denominator when defining a 'trial-to-paid conversion rate' for a freemium mobile app. Include how to handle users with multiple trials, trial extensions, and canceled payments in the period.

HardTechnical

0 practiced

Design a set of marketplace health metrics for a two-sided marketplace (supply and demand) that captures liquidity, match quality, and take-rate. Provide precise definitions, numerators/denominators, time windows, and how you'd present these metrics to a marketplace ops team.

MediumSystem Design

0 practiced

How would you structure two dashboards for the same product: one for executives and one for product managers? List the KPIs, visualizations, and interactivity differences and justify choices based on stakeholder needs.

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