Category Archives: Statistics

Management Improvement Blog Carnival #190

Posted on April 4, 2013 by John Hunter

The Curious Cat Management Carnival is published twice each month. The posts selected for the carnival focus on the areas of management improvement I have focused on in the Curious Cat Management Improvement Guide since 1996: Deming, evidence based management, … Continue reading →

Posted in Carnival, Management, Statistics | Tagged Carnival, Data | Comments Off

George Box

Posted on March 28, 2013 by John Hunter

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 curiouscat, Data, Deming, Design of Experiments, George Box, John Hunter, Madison, management, Process improvement, quote, respect for people, Six sigma, Statistics, UK, William Hunter | 15 Comments

Special Cause Signal Isn’t Proof A Special Cause Exists

Posted on October 3, 2012 by John Hunter

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 control chart, curiouscat, Data, Deming, in-process measures, Process improvement, Quality tools, Six sigma, Systems thinking, variation | Comments Off

Introductory Videos on Using Design of Experiments to Improve Results

Posted on June 18, 2012 by John Hunter

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 Data, Design of Experiments, engineering, experiments, Process improvement, Science, Six sigma, Statistics, variation, webcast | 6 Comments

2011 Management Blog Roundup: Stats Made Easy

Posted on January 8, 2012 by John Hunter

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 →

Posted in Carnival, Data, Six sigma, Statistics | Tagged Data, evidence based management, Six sigma, Statistics | Comments Off

Eliminate the Waste of Waiting in Line with Queuing Theory

Posted on December 15, 2011 by John Hunter

One thing that frustrates me is how managers fail to adopt proven strategies for decades. One very obvious example is using queuing theory to setup lines. Yes it may be even better to adopt strategies to eliminate as much waiting … Continue reading →

Posted in Customer focus, Data, Management, Process improvement, Quality tools, Statistics, Systems thinking | Tagged Customer focus, evidence based management, management, Process improvement, Quality tools, research, Systems thinking | 2 Comments

Dr. Deming in 1980 on Product Quality in Japan and the USA

Posted on December 5, 2011 by John Hunter

I posted an interesting document to the Curious Cat Management Library: it includes Dr. Deming’s comments as part of a discussion organized by the Government Accounting Office in 1980 on Quality in Japan and the United States. The document provides … Continue reading →

Posted in Deming, Management, Psychology, Public Sector, Quality tools, quote, Respect, Statistics, Systems thinking | Tagged continual improvement, curiouscat, Deming, government, Japan, Lean thinking, management, management history, managing people, Process improvement, Psychology, Public Sector, quality, Quality tools, quote, respect for people, SPC, Statistics, Systems thinking, variation | Comments Off

One factor at a time (OFAT) Versus Factorial Designs

Posted on May 25, 2011 by Guest Post

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 Design of Experiments, guest post, Popular, Quality tools, Science, Six sigma, Statistics | 6 Comments

Factorial Designed Experiment Aim

Posted on April 25, 2011 by John Hunter

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 Design of Experiments, engineering, experiments, management, Manufacturing, Process improvement, Quality tools, quote, Six sigma, Statistics | 4 Comments

Managing Our Way to Economic Success

Posted on August 23, 2010 by John Hunter

From Managing Our Way to Economic Success, Two Untapped Resources by William G. Hunter, my father. Written in 1986, but still plenty relevant. We have made some good progress, but there is much more to do: we have barely started … Continue reading →

Posted in Creativity, Economics, Management, Process improvement, Quality tools, Respect, Statistics, Systems thinking | Tagged Bill Hunter, Creativity, Data, Deming, Economics, management, Management Articles, Process improvement, Quality tools, respect for people, SPC | Comments Off