Students completing a short certification course or professionals testing the software for a specific project.

While not free, it is a much more affordable Excel add-on that performs many of the same functions as Minitab.

When searching for a "Six Sigma Minitab free download," you may encounter third-party sites offering "cracked" versions or "keygen" activators.

A free, multi-platform statistical software program that is incredibly user-friendly and visually similar to Minitab.