Category Archives: Six sigma

George Box

I would most likely not exist if it were not for George Box. My father took a course from George while my father was a student at Princeton. George agreed to start the Statistics Department at the University of Wisconsin … Continue reading

Posted in Data, Deming, Design of Experiments, Management, Manufacturing, Process improvement, Quality tools, quote, Respect, Six sigma, Statistics, Systems thinking, UK | Tagged , , , , , , , , , , , , , , | 15 Comments

Software Process and Measurement Podcast With John Hunter

In my podcast with Tom Cagley, Software Process and Measurement Cast: John Hunter on Management Matters, as you might expect there was a bit of a focus on software development and agile software development as related to the ideas I … Continue reading

Posted in Books, Customer focus, Deming, Six sigma | Tagged , , , , , , , , , , | 2 Comments

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

Posted in Data, Deming, Management, Manufacturing, Process improvement, Quality tools, quote, Six sigma, Statistics, Systems thinking | Tagged , , , , , , , , , | Comments Off on Special Cause Signal Isn’t Proof A Special Cause Exists

Management Improvement Blog Carnival #179

The Curious Cat Management Blog Carnival has been published since 2006. The carnival links to great management blog posts; it is published twice a month. I hope you find these post interesting and find some new blogs to start reading. … Continue reading

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Introductory Videos on Using Design of Experiments to Improve Results

The video shows Stu Hunter discussing design of experiments in 1966. It might be a bit slow going at first but the full set of videos really does give you a quick overview of the many important aspects of design … Continue reading

Posted in Data, Design of Experiments, Science, Six sigma, Statistics | Tagged , , , , , , , , , | 6 Comments

Why Use Lean if So Many Fail To Do So Effectively

If less than 1% of companies are successful with Lean, why are we doing it? Lots of us are not. I would say the efforts I see “fail” are because they don’t do it. They have something they call TQM, … Continue reading

Posted in Deming, Lean thinking, Management, Process improvement, Six sigma, Systems thinking | Tagged , , , , , , , , | 11 Comments

2011 Management Blog Roundup: Stats Made Easy

The 4th Annual Management blog roundup is coming to a close soon. This is my 3rd and final review post looking back at 2001, the previous two posts looked at: Gemba Panta Rei and the Lean Six Sigma Blog. I … Continue reading

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2011 Management Blog Roundup: Lean Six Sigma Blog

For my contribution to the 4th annual management blog roundup I am taking a look at 3 management blogs. In this post I look back at the year that was at the Lean Six Sigma blog. We are lucky to … Continue reading

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One factor at a time (OFAT) Versus Factorial Designs

Guest post by Bradley Jones Almost a hundred years ago R. A. Fisher‘s boss published an article espousing OFAT (one factor at a time). Fisher responded with an article of his own laying out his justification for factorial design. I … Continue reading

Posted in Data, Design of Experiments, Popular, Quality tools, Science, Six sigma, Statistics | Tagged , , , , , , | 6 Comments

Factorial Designed Experiment Aim

Multivariate experiments are a very powerful management tool to learn and improve performance. Experiments in general, and designed factorial experiments in particular, are dramatically underused by managers. A question on LinkedIn asks? When doing a DOE we select factors with … Continue reading

Posted in Design of Experiments, Management, Manufacturing, Process improvement, Quality tools, quote, Science, Six sigma, Statistics | Tagged , , , , , , , , , | 4 Comments