black belt - Business Performance Improvement (BPI)

November 3, 2024February 28, 2025 bizpi

What’s the least expensive and quickest way to earn a reputable Six Sigma Black Belt certification?

To earn a Black Belt certification, there are a few options. Most of them involve completing some training (or self-study),

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September 21, 2020October 9, 2022 bizpi

What are my options if I took a Six Sigma Green Belt or Black Belt class, but never completed a project for certification?

This question has been one of the most difficult ones to answer. I haven’t had a good solution that didn’t

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December 1, 2012November 11, 2019 bizpi

Free Green and Black Belt training?

BMGi is one of the largest process improvement consulting companies around. I’ve had some friends attend training from them, and

Lean Six Sigma Bursts

We share our takes and thoughts on a variety of topics related to process improvement (specifically Lean and Six Sigma methods), Bursts are rapid improvement activities, so this sounded like a good word to use for these short audio clips. We’ll try to keep them under 5 minutes each.

The following was a clip from a recent presentation, where I discuss how hypothesis testing can help you draw more statistically valid conclusions from data, and avoid misleading or incorrect conclusions.

I share two examples. The first was a data set from the Denver Sheriff's Department, where they graphed and analyzed intake use of force incidents, but their conclusions don't seem to match the graphic.

The 2nd example was data I pulled for a nonprofit I ran that showed the day of the week and time of day had no impact on click through rates on our monthly email newsletter.

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