Why do we need 30 data samples?
I saw this question on a forum, and I wanted to give my response. Since the forum is under a
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statistics
Can’t afford statistics software? Try Excel’s Data Analysis ToolPak
When I teach Six Sigma classes, I teach students how to use Minitab statistical software. However, the software can be
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Can Six Sigma Help The Recycling Problem With China?
You might be hearing a lot about recycling and the changes going on in China over the past year, called
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Calculating Confidence Intervals for Proportions in Minitab
A common question I get asked is: how accurate are my defect rate predictions? If you are inspecting a sample
Read MoreOnline statistics training from Minitab has great animation and examples
Minitab statistical software is one of the most powerful and popular programs around, especially for those in the Six Sigma
Read MoreStart simple before you map your processes
We see a lot of different processes at various levels of process performance. Some are running near six sigma levels,
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