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No one can measure the loss of business that may arise from a defective item that goes out to a customer.

graphic for Dr. Deming quote: "no one can guess the future loss of business from a dissatisfied customer. The cost to replace a defective item on the production line is fairly easy to estimate, but the cost of a defective item that goes out to a customer defies measure."


Speech by W. Edwards Deming, “New Principles in Administration for Quality and Efficiency” (in Manila, Philippines, July 2, 1971). Reprinted in The Essential Deming, pages 176-178.

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