Presentation Slides: You may download the presentations slides here.
Excel templates: In addition to Minitab and R, you might want to try out the Excel templates provided by the American Society for Quality (ASQ) here.
Reading Assignment: Please study chapter 1 ("Six Sigma in a Nutshell") in "Six Sigma with R" by Emilio L. Cano, Javier M. Moguerza, and Andres Redchuk (English print version or kindle version on Amazon Global).