Phase 15 · Interview Preparation

Business & Product Sense

Root Cause Analysis Questions

Part of the Data Analyst Roadmap.

Summary

A close cousin of business case questions, focused specifically on diagnosing why a metric moved — testing hypothesis generation and how you'd rule causes in or out with data.

How to Learn This

  • 1Practice listing hypothesis buckets: internal changes, external factors, seasonality, data/tracking issues.
  • 2Prepare a real example from a past project (or Phase 14 portfolio piece) if you have one.
  • 3Practice narrating your reasoning out loud — the process is what's being evaluated.

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