Answer:
d. if there is no other pattern in the samples, the process is in control.
Step-by-step explanation:
Sample measurements are done to see the quality check and that the goods are in confirmation of the desired quality.
This provides for the management to check that the manufacturing is within the limits of the quality that was expected.
The goods shall not be short of any quality that was expected as the company would try to control the quality and do not desire for poor quality.
The sampling is an essential procedure to be done as for better results.