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Data Problem Solving and Business Context Questions

Practical data oriented problem solving that connects business questions to correct, robust analyses. Includes translating business questions into queries and metric definitions, designing SQL or query logic for edge cases, handling data quality issues such as nulls duplicates and inconsistent dates, validating assumptions, and producing metrics like retention and churn. Emphasizes building queries and pipelines that are resilient to real world data issues, thinking through measurement definitions, and linking data findings to business implications and possible next steps.

HardTechnical
0 practiced
Design a multi-touch attribution model with exponential time decay for an e-commerce product. Describe the modeling approach, how to choose decay parameters, how to compute fractional credit per touch, how to validate the model using holdout campaigns, and potential business impacts when shifting media budgets based on this model.
MediumTechnical
0 practiced
Your ETL pipeline occasionally increases previously reported daily metrics due to late-arriving events. As PM, design a measurement approach and data SLA to account for late-arriving data while keeping stakeholders informed and minimizing confusion.
MediumTechnical
0 practiced
Define a conversion funnel for a trial-to-paid flow with steps: start trial, activate core features, upgrade to paid. For each step specify event names, SQL logic to compute unique user progress, and how to handle edge cases like canceled trials, duplicate events, and refunds when calculating drop-off rates.
HardTechnical
0 practiced
Design an experiment ramping plan for a risky UI change. Include initial sample sizes, ramp steps, guardrail metrics (revenue, error rates), stopping rules, monitoring cadence, and rollback criteria. Explain the rationale for chosen thresholds and escalation paths.
HardTechnical
0 practiced
You introduce a pro-rated subscription change flow that allows upgrades/downgrades with partial refunds. Design metric definitions and SQL logic to accurately compute MRR, churn, upgrades, downgrades, and avoid double-counting revenue across overlapping billing periods.

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