1. Computer-aided design (CAD) refers to the use of specialized computer programs to direct and control manufacturing equipment.

True                 False

2. The phrase Six Sigma has two meanings. One is statistical, referring to an extremely high process capability; the other is a comprehensive system for achieving and sustaining business success.

True                 False

3. The purpose of process control is to detect when natural causes of variation are present.

True                 False

4. A process map with the addition of a time axis becomes a process chart.

True                 False