If a sample of items is taken and the mean of the sample is out of control and the cause should be established producing high quality products.
The correct option is option (A).
When Statistical Process Control (SPC) samples an item and the mean of the sample is outside the control limits, the process is as follows. You don't have to worry within certain control limits using only natural sources of variation to produce under control within certain control limits. The process is said to be out of control and the cause should be investigated. That is, many sample points are outside the control limits, a sample of the item is taken, and the average of the samples is outside the control limits.
To learn more about statistical process control, refer:
https://brainly.com/question/14703158
#SPJ4
Complete question:
In Statistical Process Control (SPC), if a sample of items is taken and the mean of the sample is outside the control limits, the process is:
a) out of control and the cause should be established producing high quality products b)in control and capable of producing within the established control limits in control,
c)there is no need for concern
d)within the established control limits with only natural causes of variation
