I recently had the chance to talk to Brett Warland, global director of process improvement at PolyOne Corp. The word “global” is often present in the titles of many organizations’ process improvement programs and employee job titles that deal with quality. This can convey not only an international emphasis on process improvement at worldwide branches of the company, but also the fact that confidence interval (CI) methods pervade each aspect of the business’s culture and day-to-day workings.

I definitely found this to be the case at PolyOne. Just a few minutes into our conversation, Warland mentioned that learning quality improvement practices and statistical methods isn’t restricted to any one job description, department, or business function within the company. In fact, as part of PolyOne’s global lean Six Sigma program deployment, employees across all job functions and backgrounds were trained in lean Six Sigma.

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