Warranty Period Myths – Are Refrigerators Really Breaking Down Early?

Your Refrigerator is not Really Breaking Down after the Warranty Period I need to get a few things off my chest regarding product warranty period misconceptions.  I often get together with my friends on the weekend over dinner and drink when all of a sudden one of them breaks into a tirade of don’t buy […]

Statistical Process Control for Dummies

If learning complex math, arithmetic, or statistics isn’t needed then why introduce Statistical Process Control or SPC for short? SPC simply put is a quality control method employing statistical methods. Statistical Process Control is applied in order to monitor and control a process. Monitoring and controlling the process ensures that it operates at its full potential and […]

Convincing Your Manager to Say Yes to Six Sigma Training

Convincing Your Manager to Say Yes to Six Sigma Training What’s up with all this six sigma training anyways and does it really matter? Ever since Motorola came out with their Six Sigma initiative back in the eighties (now this was innovation was it not?) – the ability to reinvent a company by getting everybody […]

Warranty Prediction Introduction to Making Better Products

Using Warranty Prediction to Make a Better Product Throughout the years, I have had the opportunity to travel throughout the world.  Some of those travels brought me to Asia, and in high-velocity manufacturing settings.  I have a special interest in product warranty analysis partly from my Six Sigma Black Belt training, but also from a […]

Introduction to Equal Variance Assumption

Use of Equal Variance Assumption with ANOVA The equal variance assumption is important in statistics because it applies to two of the most widely used tools, the two-sample t-test, and Analysis of Variance (ANOVA). Both of these tools are used to test whether there are differences in population means, based upon the evidence present in […]

10 Obstacles a Six Sigma Black Belt Must Overcome

10 Obstacles a Six Sigma Black Belt Must Overcome Nobody said Lean Transformations or Six Sigma projects would be easy.  Below is a collection of notes during my Six Sigma Black Belt training.  I’m sure many of you would agree that these are obviously not only applicable to Black Belt or Master Black Belt, but on […]

An Introduction to Six Sigma Statistics in 8 Easy Steps

An Introduction to Six Sigma Statistics in 8 Easy Steps Today, I created a slideshare account and uploaded my first presentation An Introduction to Six Sigma Statistics in 8 Easy Steps.  As a courtesy to my regular readers, I have included the slides at the link below. Summary: 1. Learn the Scales of Measure 2. […]