Chris Seider replied to the topic What Was Your Career Path Into Process Improvement? in the forum General 1 week, 6 days ago
My career began selling car washes, oil, and waxes at the Shell Oil Station. Then finishing college as a chemical engineer allowed me to ironically work at a Shell Oil refinery in Louisiana where I implemented process controls to integrate with process optimizers.
Next, I had the awesome opportunity to be the project manager for the…[Read more]
Chris Seider replied to the topic How to Determine Process Capability with Non-Normal Data? in the forum Tools & Templates 3 months, 2 weeks ago
@jennatlas might have some more info
See link. @jennatlas could help more.
However, one RARELY truly knows the population standard deviation so it’s more conservative to just do the 2 sample t test–my two cents.
@jennatlas I know they have not locked you away but we do miss your bright smiling face (we won’t mention bloodshot eyes) at the conferences.
I do think that we have seriously neglected people understanding the difference the statistical software has made in our ability to roll out Six Sigma. Basically without it the whole concept of the way we…[Read more]