When the only sources of variation in a production process are caused by chance,and random variation remains within acceptable limits,the process is said to be:
A) stable.
B) in statistical control.
C) out of control.
D) out of luck.
E) Both A and B since they are the same.

Question

Quizplus · Accepted Answer

When a production process's variation is only due to chance and this random variation stays within acceptable limits, the process is considered to be stable and in statistical control. Both terms describe a process where the output is predictable and consistent, hence "Both A and B" is correct.

When the Only Sources of Variation in a Production Process