Six Sigma Archives | Page 19 of 25

How to preach the gospel

By Ron Pereira - June 24th, 2007

One of my passions in life is studying and learning more about my Catholic faith. I especially enjoy reading the early church fathers. And of these earliest Christians, St. Francis of Assisi may be my favorite. St. Francis, when in

How to apply the one sample t-test

By Ron Pereira - June 21st, 2007

Last night we discussed the history and background of the one sample t-test. As promised, tonight we will discuss how it is you actually use the slick little hypothesis test. At the end of this post is a free case study available f

How beer influenced statistics

By Ron Pereira - June 20th, 2007

Back in the early 1900s a certain W.S. Gosset, an Englishmen, was tasked with brewing better beer. Really, I’m being serious. Gosset was a bright man, with two degrees from Oxford, and was hired by Guinness to help them brew

Stop “Deploying” and Make Something Better

By Ron Pereira - June 20th, 2007

A reader of the Lean Blog left this comment to the excellent post Psychology and Lean. Unsolicited advice…. but maybe instead of pushing lean (and maybe you aren’t)… figure out what the main problems and pain points

The Pugh Matrix

By Ron Pereira - June 19th, 2007

By Rob Thompson The Pugh matrix was invented by Stuart Pugh at the University of Strathclyde in Glasgow, Scotland. It was designed as an approach for evaluating multiple options against each other, relative to a baseline option. It goe

Dealing with Non Normal Data

By Ron Pereira - June 15th, 2007

Robin, over on the iSixSigma blog, had an interesting post regarding hypothesis testing. Specifically, the question posed was how to deal with non normal data. Typically, most Six Sigma practitioners are taught to use “non parame

7 Tips to Better Brainstorming

By Ron Pereira - June 14th, 2007

Brainstorming is an extremely powerful tool. Most of us have likely been part of a brainstorming session before. Sadly, it’s been my experience that about 9 out of 10 people have no clue how to brainstorm the right way. So

Help Decision Making with a Cause & Effect (C&E) Matrix

By Ron Pereira - June 12th, 2007

Last night we discussed how we can use a Cause and Effect (C&E) Matrix to narrow down a long list of inputs into a more manageable one. I also provided a free MS Excel C&E Matrix Template for those interested. Tonight I wan

About The Cause & Effect (C&E) Matrix

By Ron Pereira - June 11th, 2007

One of my favorite continuous improvement tools is the cause and effect matrix (C&E Matrix). Sometimes you will hear this tool referred to as a XY Matrix. However, I am not referring to the Ishikawa Diagram (fishbone) even thou

6 Ways to Use Lean & Six Sigma at Home

By Ron Pereira - June 1st, 2007

Here are some ways to use Lean and Six Sigma methods away from the office. Sort clothes according to color and place them into different bins eliminating the need to sort. When the bin is full wash those clothes. Don’t wait

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