Variations in a process that are caused by a number of randomly occurring events that cannot be eliminated without changing the process are known as:
A)assignable variation.
B)common variation.
C)special variation.
D)None of these choices.

Question

Quizplus · Accepted Answer

Common variation refers to natural variability that is inherent in a process and cannot be eliminated without fundamentally changing the process. It is also known as random variation or noise. On the other hand, assignable variation is caused by specific factors that can be identified and eliminated or controlled, such as equipment malfunction or operator error. Special variation refers to unusual or unexpected events that are not part of the normal process, such as a power outage or a natural disaster. None of these choices would be an appropriate answer, as only common variation fits the description given in the question.

Variations in a Process That Are Caused by a Number