In this article, I’m looking at the relationship between capability index (Cpk or Ppk) and tolerance intervals.

One hundred years ago this month, Walter Shewhart wrote a memo that contained the first process behavior chart. In recognition of this centennial, this column reviews four different applications of the techniques that grew out of that memo.

Across the country, hundreds of thousands of drivers deliver packages and parcels to customers and companies each day, with many click-to-door times averaging only a few days.

Deming Prize recipient Ryuji Fukuda introduced a document to my company in 1989 referred to as the “X-Type Matrix for Objective Management.” Relatively unknown at the time, it’s since become a popular format for strategy deployment.

An analysis of U.S.

This article is an excerpt from the cutting room floor.

I was asked to lead a workshop in the sales order department of a manufacturer that we had helped with process improvement on the factory floor. Those efforts had positively reverberated across the company in the form of fewer late and expedited orders.

Amid seemingly never-ending layoffs and a laser focus on

Sometimes the key to getting a lot done is to actually do nothing at all.

Pay. It’s the topic we love to avoid. We don’t discuss it with friends or family. It’s verboten at cocktail parties. Heck, we discuss cancer, religion, and abortion at dinner parties more easily than we talk about our paychecks.