1.) In the process capability ratio, if the upper and lower specification limits are greater than the process variability, you can be pretty confident that the process can achieve your desired quality level.

TrueFalse

2.) Which of the following indicate that a process is out of control?

• A single point plots outside the control limits
• Two out of the three successive points are on the same side of the centerline and farther and 2 from it
• A run of eight in a row are on the same side of the centerline
• Any consistent or persistent pattern
• All of the above

3.) With respect to control chart logic, processes performed include some variation is called?

• Target
• Variability
• Confidence
• Quality
• None of the above

4.) Which of the following is not one of the steps in W. Edward Demings PDCA cycle?

• a. Plan
• b. Procrastinate
• c. Do
• d. Check
• e. Calculate
• f. Act
• g. Both b and e

5.) Which of the following are potential sources of variation in the Ishikawa cause-and-effect diagram?

• a. Materials
• b. Measurements
• c. Environment
• d. Prices
• e. All of the above
• f. Only a, b, and c