When a sample measurement falls inside the control limits, it means that
A) each unit manufactured is good enough to sell.
B) the process limits cannot be determined statistically.
C) the process output exceeds the requirements.
D) if there is no other pattern in the samples, the process is in control.
E) the process output does not fulfil the requirements.

Question

Quizplus · Accepted Answer

When a sample measurement falls inside the control limits, it indicates that the process is producing outputs within the acceptable range and there is no other pattern in the samples that suggest the process is out of control. It does not necessarily mean that each unit is good enough to sell or that the process output exceeds the requirements.

When a Sample Measurement Falls Inside the Control Limits, It