In the statistical process control methodology, when _____ causes are present, the process is deemed to be out of control.
A) special
B) random
C) common
D) cumulative

Question

Quizplus · Accepted Answer

In statistical process control methodology, special causes are those that are not inherent in the process and occur sporadically. When special causes are present, the process is deemed to be out of control and action is taken to identify and eliminate the cause. On the other hand, common causes, also known as random causes, are inherent in the process and result in natural variation within the process. Identifying and eliminating common causes is not feasible, but reducing their impact can be achieved through continuous improvement efforts. Cumulative causes are not a term used in statistical process control methodology.

In the Statistical Process Control Methodology, When _____ Causes Are