Statistics Features

Quality Transformation With David Schwinn's picture
Quality Transformation With David Schwinn
I recently presented “Statistical Thinking for OD Professionals” for the Organization Development Network annual conference. It was well received, but more important, it reignited in me a passion...
Davis Balestracci's picture
Davis Balestracci
In spite of the overwhelming odds against me, every new year I firmly resolve to reignite my relentless passion about creating a critical mass of colleagues committed to practicing...
Eston Martz's picture
Eston Martz
A member of Minitab’s LinkedIn group asked how to create a chart to monitor change by month, specifically comparing last year’s data to this year’s data. My last post showed how to do...
Donald J. Wheeler's picture
Donald J. Wheeler
What can be done when a test is destructive? How do we characterize measurement error? How can we determine if a test method is adequate for a given product or application? How can we check for...
Greg Fox's picture
Greg Fox
It’s that time of year again. The time when eggs get nogged, pudding gets figgy, and it becomes socially acceptable to speak in rhyme. So on that note, and with apologies to Clement Clarke...
Barbara A. Cleary's picture
Barbara A. Cleary
Statistics has gotten a bad rap. People love to quote Mark Twain (“There are lies, damn lies, and statistics,” alternatively attributed to Benjamin Disraeli), Vin Scully (“Statistics are used much...
Steve Daum's picture
Steve Daum
Capability analysis is a set of calculations used to assess whether a system is able to meet a set of requirements. Customers, engineers, or managers usually set the requirements, which can be...
Donald J. Wheeler's picture
Donald J. Wheeler
Who can be against apple pie, motherhood, or good measurements? This is why everyone stands up and salutes when we are told to maintain our measurement systems in good calibration. But what is good...
Davis Balestracci's picture
Davis Balestracci
Those of you familiar with W. Edwards Deming know that his Funnel Experiment ultimately shows that a process in control delivers the best results if left alone. Funnel Rule No. 4, also known as a “...
Stanford News Service's picture
Stanford News Service
Most leadership advice is based on anecdotal observation and basic common sense. Stanford Graduate School of Business professor Kathryn Shaw tried a different tack: data-driven analysis. Through...
Davis Balestracci's picture
Davis Balestracci
Have you ever heard something like: “I’m committed to Dr. Deming’s approach [or Six Sigma or lean or TPS, it doesn’t matter], but executives don’t seem to listen anymore. All they do is keep...
Donald J. Wheeler's picture
Donald J. Wheeler
Now we come to the sixth way to use a process behavior chart. Here we are going to look at how one group of workers used their average and range chart to improve their process. Their part had only...
Joby George's picture
Joby George
Having difficulty managing quality and quality-related data? You’re not alone. Many manufacturers struggle with this these issues due to paper-based or other disparate systems being used to track,...
Eston Martz's picture
Eston Martz
At last month’s Minitab Insights conference, experts from a wide range of industries offered some great lessons about how they use data analysis to improve business practices and solve a variety of...
Eston Martz's picture
Eston Martz
If you were among the 300 people who attended the first-ever Minitab Insights conference last month, you already know how powerful it was. Attendees learned how practitioners from a wide range...
Scott A. Hindle's picture
Scott A. Hindle
In all walks of life, being wrong can come with a penalty. It’s also true that, if you’re lucky, you sometimes get away with it without anybody being the wiser. To understand what this means in...
Davis Balestracci's picture
Davis Balestracci
Client A came to me for a consultation and told me upfront his manager would allow him to run only 12 experiments. I asked for his objective. When I informed him that it would take more than 300...
Fred Schenkelberg's picture
Fred Schenkelberg
We establish reliability goals and measure reliability performance. Goals and measures can be related; however, they’re not the same, and neither do they serve the same purpose. Recently, I’ve...
Donald J. Wheeler's picture
Donald J. Wheeler
While we may tweak things in production, we rarely get permission to conduct formal experiments with an operating production line. Production’s job is to make product, whereas experiments are what...
Bruno Scibilia's picture
Bruno Scibilia
There may be huge potential benefits waiting in the data in your servers. These data may be used for many different purposes. Better data allow better decisions, of course. For instance, banks,...