Transforming the Data Can Be Fatal to Your Analysis
Following my article on Leptokurtophobics (Do You Have Leptokurtophobia?) it was almost inevitable that we should hear from one.
Following my article on Leptokurtophobics (Do You Have Leptokurtophobia?) it was almost inevitable that we should hear from one.
Five things to lean my company? In two days? That's pretty quick. Why so quickly?
The band “Chicago” sang those words about "time" decades ago. The second line “Does anybody really care?” seems to sum up what is still in vogue today, especially in the workplace.
Story update 8/27/2009: An error was spotted and corrected by author in paragraph starting with "The population mean for a six-sided die..."
Story update 8/27/2009: An error was spotted and corrected by author in paragraph starting with "The population mean for a six-sided die..."
Story update 8/24/2009: The original graphics for this story were missing key data due to errors in converting them. We have fixed the problem.
I
Over the past couple of articles, we have explored how an incomplete understanding of how SPC limits are calculated can lead to constructing control charts that look strange. But using some of the things I mentioned, hopefully you
As the founder of PowerSteering and a practitioner in strategic management and continuous improvement for more than 25 years, I have seen my share of management fads come and go, and even been in the room when some of them were created.
Design of experiments (DOE) is a crucial tool in Six Sigma quality management and its application is widespread in Japan; nevertheless, many manufacturing companies in other countries have not formally adopted it because of its complex concepts and costs.
© 2026 Quality Digest. Copyright on content held by Quality Digest or by individual authors. Contact Quality Digest for reprint information.
“Quality Digest" is a trademark owned by Quality Circle Institute Inc.