Model Evaluation Questions

Summary

'Why wouldn't you use accuracy for this problem?' or 'walk me through choosing a metric for a fraud detection model' — testing Phase 7's evaluation judgment against a specific business scenario.

• 1Review Phase 7 and practice matching evaluation metrics to different business scenarios.
• 2Prepare to explain precision-recall trade-offs concretely, with a real example.
• 3Practice justifying a metric choice, not just naming metrics you know.