Question 1
Assignable variation
◦ leads to a steep OC curve.
◦ is variation that cannot be traced to a specific cause.
◦ is a sign that a process is under control.
◦ is to be identified and investigated.
◦ is the same as random variation.
Question 2
Assignable causes
◦ depend on the inspector assigned to the job.
◦ are also referred to as "chance" causes.
◦ are not as important as natural causes.
◦ are causes of variation that can be identified and investigated.
◦ are within the limits of a control chart.
