Mohammed is monitoring the diameter of bolts that are being produced on one of his assigned production lines.During this process,he notices nine,consecutive measurements that jumped above the upper control limit.He immediately examines the machine,finds it to be misaligned,and makes a small adjustment.Mohammed has likely committed
A)a type II error.
B)both a type I and type II error.
C)a type I error.
D)neither a type I nor a type II error.

Question

Quizplus · Accepted Answer

Mohammed did not commit a type I or type II error because the process was indeed out of control, as indicated by the nine consecutive measurements above the upper control limit, and his adjustment was necessary.

Mohammed Is Monitoring the Diameter of Bolts That Are Being