Tag Archives: control chart

George Box Webcast on Statistical Design in Quality Improvement

George Box lecture on Statistical Design in Quality Improvement at the Second International Tampere Conference in Statistics, University of Tampere, Finland (1987). Early on he shows a graph showing the problems with American cars steady over a 10 years period. … Continue reading

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The Art of Discovery

Quality and The Art of Discovery by Professor George Box (1990): Quotes by George Box in the video: “I think of statistical methods as the use of science to make sense of numbers” “The scientific method is how we increase … Continue reading

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Special Cause Signal Isn’t Proof A Special Cause Exists

One of my pet peeves is when people say that a point outside the control limits is a special cause. It is not. It is an indication that it likely a special cause exists, and that special cause thinking is … Continue reading

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Worth Does Not Equal Wealth

Warren Buffet often says he happens to be very good at something that is very financially rewarding – effectively allocating capital. He says this while making the point that plenty of other people are exceptionally gifted in ways that are … Continue reading

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Nice Non-technical Control Chart Webcast

This very brief introduction to control charts by PQ Systems provides a very watchable non-technical overview. Getting people to understand variation is important, and not easy. This video is one more quick reminder for those still trying to incorporate an … Continue reading

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Red Bead Experiment Webcast

Dr. Deming used the red bead experiment to present a view into management practices and his management philosophy. The experiment provides insight into all four aspects of Dr. Deming’s management system: understanding variation, understanding psychology, systems thinking and the theory … Continue reading

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Epidemic of Diagnoses

What’s Making Us Sick Is an Epidemic of Diagnoses by Dr. Welch, Dr. Schwartz and Dr. Woloshin: For most Americans, the biggest health threat is not avian flu, West Nile or mad cow disease. It’s our health-care system. True, and … Continue reading

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SPC: History and Understanding

SPC: From Chaos To Wiping the Floor [broken link removed 🙁 it will be nice when sites start to realize breaking links is not acceptable] by Lynne Hare (who also was the 1997 Hunter Award winner) Shewhart based control chart … Continue reading

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Control Charts in Health Care

This post is an edited version of a message I sent to the Deming Electronic Network. I find the “control charts in health care” thread quite interesting. From Mike Woolbert’s post [link broken, so I removed it] > I have … Continue reading

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