Paired T-Test - Business Performance Improvement (BPI)

Case Study employee engagement employees hypothesis lean manufacturing management problems

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

Lean Six Sigma Bursts

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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E118: Real-life Examples of Hypothesis Testing

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