The Six Fix #025: What Is the Null Hypothesis?

What Is the Null Hypothesis? (And Why You Might Be Thinking About It Backwards) If you’ve ever found yourself second-guessing the meaning of the null hypothesis, you’re not alone. In fact, many people (including seasoned professionals) mix up what the null hypothesis actually represents. It’s easy to do. On the surface, it feels like the (more…)

The Six Fix #023: The Brutal Truth Behind Lean Six Sigma Success

The Brutal Truth Behind Lean Six Sigma Success is that Lean, Six Sigma, and “Brutal Facts” Belong Together. Jim Collins, in his business classic Good to Great, introduces a deceptively simple idea: Confront the brutal facts. It’s a tough love strategy. Instead of glossing over issues or chasing wishful thinking, great organizations make a habit (more…)

The Six Fix #022: Lean Thinking Meet ChatGPT

Lean Thinking Meet ChatGPT. Leveraging AI for everything is all the rage. And there are dozens of examples, but I thought I would start by sharing a tactical approach I had that may. This weekend I brought my old PC back to life with ChatGPT, and it saved me more than $1,300 and hundreds of (more…)

The Six Fix #021: Design for Six Sigma in Real Life: A Mother’s Day Story

What do you get when a legally blind and partially deaf woman launches a nutrition company in the 1980s? You get my mom. Back then, there weren’t many women starting businesses. Especially not ones bootstrapped from kitchen tables, with no funding, no internet, and no roadmap. But she saw a problem: Kids, including / especially (more…)