In any production process, variation in the quality of the end product is inevitable. Chance variation, or common variation, refers to ________.
A) the variation caused by stratified random sampling
B) the variation caused by the use of the finite correction factor
C) specific events or factors that can usually be identified and eliminated
D) a number of randomly occurring events that are part of the production process

Question

Quizplus · Accepted Answer

Chance variation, or common variation, refers to a number of randomly occurring events that are part of the production process. It is a natural part of any production process and cannot be completely eliminated, only minimized through process improvement efforts. A) and B) refer to specific techniques or factors that may be used to address variation, but they are not definitions of common variation. C) refers to assignable variation, which is variation caused by specific events or factors that can usually be identified and eliminated.

In Any Production Process, Variation in the Quality of the End