Which software is better for those who are new to process improvement & hypothesis testing – Minitab or SigmaXL?

I would call Minitab the “Cadillac” of stats packages. It’s got the most robust set of tools and I personally like it’s graphics the best. That said, I use SigmaXL and QI-Macros more frequently because: I switched to a Mac and can no longer use Minitab Many of my clients have budget constraints and those…