The W. Edwards Deming Institute Blog

Posts Tagged ‘statistics’

Understanding Data is Often Challenging

Using data to understand the system and validate our theories and successful improvements is an important part managing well. In some cases it is fairly easy to understand and collect data that provides a clear and accurate measure of what we care about. But getting data that helps can also be very challenging. Creating a […]

Deming Regression

Most of Dr. Deming’s management work requires no understanding of advanced statistical methods. He was also a statistician and this post takes a look at one of his contributions to the field of statistics: the Deming Regression. In his book, Statistical Adjustment of Data (1943), W. Edwards Deming discussed, among other things, various methods to […]

How to Use Data and Avoid Being Mislead by Data

One of the four areas of Deming’s management system is “understanding variation.” The core principle underlying that concept is using data to improve while understanding what data is and is not telling you. The mistakes in interpreting data are very often related to mistaking natural variation in data as meaningful. Combining this with our brains […]

Statistical Techniques Allow Management to do a Better Job

In this post I discuss another wonderful paper by Dr. Deming. The W. Edwards Deming Institute makes this paper, and many more, available on our website. As you would expect from a non-profit focused on promoting the application of his ideas these articles are freely available with no barriers to downloading them. On the Teaching […]

Process Behavior Charts are the Secret to Understanding the Organization as a System

The W. Edwards Deming Institute podcast with Dr. Sophronia (Frony) Ward, Managing and Founding Partner of Pinnacle Partners, Process Behavior Charts are the Secret to Understanding the Organization as a System (direct download), is another in our understanding variation series. Frony discusses the importance of Statistical Process Control (SPC) in all parts of an organization. […]

Podcast with Lynda Finn: The Value of the Simple Run Chart

Lynda Finn, President of Statistical Insight and facilitator for The Deming Institute. Download the podcast with Linda: A Picture Is Worth A Thousand Data Points. This podcast is the first episode of our “Knowledge In Variation Series.” Lynda discusses the importance of moving from spreadsheets to plotting data, and the common mistakes that organizations make […]

Using Data to Seek Continual Improvement, Not Just Process Monitoring

Dr. Donald Wheeler and Dr. Henry Neave wrote an interesting article in Quality Digest recently: Shewhart and the Probability Approach Shewhart’s use of three-sigma limits, as opposed to any other multiple of sigma, did not stem from any specific mathematical computation. Rather, Shewhart found that the use of three-sigma limits “seems to be an acceptable […]