Suppose analysis of a random sample results in an “in control” determination. Which of the following statements is most appropriate?
A. While non-random variation could be affecting the process, we have insufficient evidence to conclude so.
B. This process’ rate of defective output is within acceptable limits.
C. We aare 99.7% certain that the process is free of non-random variation.
Expert Answer
The correction answer is option “B”: This process’ rate of defective output is within acceptable limits, because a process is in control If :
No sample points are outside control limits
Most points near the process average
About an equal number points above
OR
PayPal Gateway not configured
OR
PayPal Gateway not configured