Content by Steven Ouellette

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Steven Ouellette
You know how sometimes you think everyone knows a secret that they haven’t let you in on? Well, I had the opposite happen to me the other day. I assumed everyone knew the purpose for measurement...
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Steven Ouellette
I'm not saying that the following apply to you... really. But, you might be a Black Belt if... You test your co-workers for normality – and find some of them to be non-normal and a little skewed...
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Steven Ouellette
If you have been following my articles over the last few months, you have seen that even though statistical process control (SPC) charts are very powerful tools for examining a process, it turns out...
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Steven Ouellette
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...
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Steven Ouellette
Have you ever met people who “do” statistical process control (SPC) only to get some screwy-looking control chart, and then text: OMG I H8 SPC! (If you don’t understand that, ask your nine-year-old...
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Steven Ouellette
One of the most useful diagnostic tools for understanding what is going on in a process is the statistical process control chart (SPC).  This is also a frequently misunderstood tool, and these...
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Steven Ouellette
A colleague of mine made an interesting point about how we teach and learn experimental design techniques, and I thought I'd explore the subject further. He observed that the order that we teach...
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Steven Ouellette
One of the most frequent questions I get from Black Belts and Green Belts I train is about the characteristics of a good Six Sigma project, particularly a first project. Define, measure, analyze,...
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Steven Ouellette
Many people go through a point in their lives where they question the beliefs they hold most dear. Then there are those who question the entire basis for statistical process control (SPC) once they...
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Steven Ouellette
As you read this you will, no doubt, have already made (and perhaps broken) your New Year’s resolutions. I’d like to propose one that we, as business leaders, have a special responsibility to follow...