Control charts are one of the hardest things for those studying six sigma to understand. Here’s an easy Control Charts Study Guide for you.
How I would use Lean Six Sigma principals to improve the Tech Support process.
Six Sigma Roles and Responsibilities shows up on each certification exam. Here’s a quick study guide that can help you ace those portions.
All Six Sigma exams require knowledge of the Founding Fathers of Six Sigma and the Quality Movement. Here is a great study guide & reference for you:
Genichi Taguchi contributed several important concepts to the field of quality including the Taguchi Loss Function and Taguchi Robust design.