Which statement best represents the key assumption(s)of process control?
A) Most processes are affected by common and special causes of variation.
B) It is easier to address common cause variation than special cause variation.
C) Most processes are found to be in control.
D) All of the above.

Question

Quizplus · Accepted Answer

The two key assumptions: random variation exists in all processes, no matter how perfect, and processes are not usually found to be in a state of control.

Which Statement Best Represents the Key Assumption(s)of Process Control