black belt certification - Business Performance Improvement (BPI)

May 9, 2014November 11, 2019 bizpi

6 resources for Six Sigma Black Belts to save time and improve effectiveness

Sigma Black Belts and Master Black Belts often have too much on their plate, especially when there aren’t many other

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May 4, 2014December 14, 2020 bizpi

15 last minute tips before taking an ASQ Green or Black Belt exam

You’ve been studying for the ASQ Green or Black Belt exam. You think you’re ready, but you’re nervous that you

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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