Thu, 03/05/2015 - 10:36
One of my favorite bloggers about the application of statistics in healthcare is David Kashmer, an M.D. and MBA who runs and writes for the Business Model Innovation in Surgery blog. If you’re interested in how quality improvement methods like lean…
Wed, 11/12/2014 - 17:22
Here’s a shocking finding from the most recent “ASQ Global State of Quality” report: The higher you rise in your organization’s leadership, the less often you receive reports about quality metrics. Only 2 percent of senior executives get daily…
Mon, 06/16/2014 - 15:00
Remember The Little Engine That Could, the children’s story about self-confidence in the face of huge challenges? In it, a train engine keeps telling itself, “I think I can” while carrying a very heavy load up a big mountain. Next thing you know,…
Thu, 02/13/2014 - 12:19
In part one, I shared a case study of how a small bicycle-chain manufacturing company in India used Six Sigma’s DMAIC approach to reverse declining productivity. After completing the define, measure, and analysis phases, the team had identified the…
Wed, 02/12/2014 - 12:08
Using data analysis and statistics to improve business quality has a long history. But it often seems like most of that history involves huge operations. After all, Six Sigma originated with Motorola, and was embraced by thousands of other…
Mon, 12/02/2013 - 11:42
In looking for the answer to an unrelated quality improvement question the other day, I ran across a blog post that answers a question I’ve had for a while: What’s the origin of the value-stream map?
A value-stream map is a key tool in many…
Mon, 11/11/2013 - 09:44
A colleague of mine at Minitab, Cheryl Pammer, was recently featured in “A Statistician’s Journey,” a monthly feature that appears in the print and online versions of the American Statistical Association’s (ASA) AMSTAT News magazine.
Each month,…
Wed, 06/05/2013 - 16:37
A while back my colleague Jim Frost wrote about applying statistics to decisions typically left to expert judgment; I was reminded of his post this week when I came across a new research study that takes a statistical technique commonly used in one…
Tue, 04/16/2013 - 17:09
In regression analysis, we look at the correlations between one or more input variables, or factors, and a response. We might look at how baking time and temperature relate to the hardness of a piece of plastic, or how educational levels and…
Mon, 03/25/2013 - 16:36
When I talk to quality professionals about how they use statistics, one tool they mention again and again is design of experiments, or DOE. I’d never even heard the term before I started getting involved in quality improvement efforts, but now…