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.
Use the Main Effects Plot to determine the relative impact of a variety of inputs on the output of interest.
A tailed hypothesis tests is an assumption about a population parameter. One-tailed and Two-tailed tests are two types of tests.
There are two basic types of errors that can occur in hypothesis testing: “Type A or 1 Error” and “Type B or 2 Error.”