If a Sample of Items Is Taken and the Mean

Multiple Choice

If a sample of items is taken and the mean of the sample is outside the control limits, the process is:

A) likely out of control and the cause should be investigated.
B) in control, but not capable of producing within the established control limits.
C) within the established control limits with only natural causes of variation.
D) monitored closely to see if the next sample mean will also fall outside the control limits.
E) producing high quality products.