Business Statistics Quiz
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QUALITY AND PROCESS IMPROVEMENT
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Two suppliers are being evaluated for process capability. Supplier X has Cpk=1.25C_{pk} = 1.25 with a process that drifts 0.5σ every month. Supplier Y has Cpk=1.10C_{pk} = 1.10 with a stable, well-controlled process. Considering long-term performance over 6 months, which supplier should be preferred?
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