Here are several links shared by Six Sigma Black Belts and various internet sites – please double check the calculations, etc., in these spreadsheets before using them as working documents. There are several good working examples of the Six Sigma DMAIC methodology in these documents.
Accountability Matrix, Also Known as RACI
Anderson Darling Normality Test
Capability Indices – Cpk and Ppk
Cause and Effect (Fishbone) Diagram
Gage R&R (ANOVA) with Graphical Analysis
We strongly recommend Six Sigma Certification to gain a full understanding of these tools and how they fit into the DMAIC process. Here’s an article on Six Sigma Certification.