1. Can a process be in control but not capable?
a. Yes – for example when the averages of the samples are all very far apart, but within the specification limits.
b. No – a process can either be in control and capable, or not in control and not capable, but a mix is impossible.
c. Yes – for example when the averages of the samples are all very close together, but all outside the specification limits.
d. No – a process can be capable but not in control, but it cannot be in control but not capable.
2. What should be considered when a process is NOT in control?
a. Assign blame to the appropriate parties.
b. Stop production right away and redesign the process.
c. Determine what the cause of not being in control was.
d. Move the control limits such that the process is in control.
3. A process can be said to be in control when:
a. Cpk is greater than 1
b. The averages of the samples are all within the Lower and the Upper Specification Limit
c. The averages of the samples are all within the Lower and the Upper Control Limit
d. The Range of the samples is increasing over times.