When No Point Lies Outside the Control Limits of a Chart,we

Multiple Choice

When no point lies outside the control limits of a chart,we conclude that variation in the process is:

A) caused by chance and there is not enough evidence to infer that the process is out of control.
B) caused by chance and there is enough evidence to infer that the process is out of control.
C) caused by assignable causes and there is enough evidence to infer that the process is under control.
D) caused by assignable causes and there is not enough evidence to infer that the process is out of control.