July 2007
Beginner to intermediate
864 pages
25h 9m
English
What are the critical parameters in the process?
Y = f(X) helps you to
• Identify and summarize the significant inputs
• Process elements that drive the output
Hypothesize the components of the Y = f (X) equation early in an improvement project, starting with the desired outputs, and then validate the critical variables that impact the output throughout the remainder of the project.
The equation, Y = f (X), reads “Y is a function of X,” where Y is the output or final product of your process, and the Xs describe the critical inputs and the process elements that influence the output. In other words, it defines that the output ...
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