statistical significance - Business Performance Improvement (BPI)

May 28, 2023July 27, 2023 bizpi

Survey Shows Daily Huddles Improve Communication and Engagement

One of the first improvements I suggest for organizations is a daily huddle, if they do not currently have one

a/b test a/b testing ANOVA click rate click thru rate CTR Minitab online marketing split test split testing statistical significance

December 24, 2014November 11, 2019 bizpi

Split testing website marketing messages with Minitab’s Chi-Square % Defective comparison tests

Six sigma techniques have expanded beyond traditional manufacturing companies, into healthcare, movie industry, government and now online marketing. Split testing

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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