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Quote by Walter A. Shewhart

“Postulate 1. All chance systems of causes are not alike in the sense that they enable us to predict the future in terms of the past.”

Quote by Walter A. Shewhart

Author

Walter A. Shewhart

Walter A. Shewhart was an outstanding engineer known for his contributions to the field of statistical process control. Born on March 18, 1891, and passing away on March 11, 1967, his work had a profound impact on modern quality management. more

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“Postulate 3. Assignable causes of variation may be found and eliminated.”

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“Rule 1. Original data should be presented in a way that will preserve the evidence in the original data for all the predictions assumed to be useful.”

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“Both pure and applied science have gradually pushed further and further the requirements for accuracy and precision. However, applied science, particularly in the mass production of interchangeable parts, is even more exacting than pure science in certain matters of accuracy and precision.”

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“When you buy bananas all you want is the fruit not the skin, but you have to pay for the skin also. It is a waste. And you the customer should not have to pay for the waste.”

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“A relentless barrage of 'why’s' is the best way to prepare your mind to pierce the clouded veil of thinking caused by the status quo. Use it often.”

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“Improvement usually means doing something that we have never done before.”

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“Are you too busy for improvement? Frequently, I am rebuffed by people who say they are too busy and have no time for such activities. I make it a point to respond by telling people, look, you’ll stop being busy either when you die or when the company goes bankrupt.”

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“The most dangerous kind of waste is the waste we do not recognize.”

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“Even the greatest idea can become meaningless in the rush to judgement. To gauge an idea as feasible we must cut our ties to the status quo and find the balance between constructive criticism and judgment. Within that balance we will uncover crucial input for making our ideas a reality.”

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