A model upgrade improves one customer segment and hurts another. How would you decide what to do?

Instruction: Explain how you would handle a change that creates slice-level winners and losers.

Context: Tests how the candidate diagnoses the problem, chooses the safest next step, and reasons through recovery. Explain how you would handle a change that creates slice-level winners and losers.

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I would not let one global average make the decision for me. If the harmed segment matters enough, I would...

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