Reference no: EM132228194
1. According to Dr. Shewart (Bell Labs), there are two types of variation:
a) Normal variation and Random variation.
b) Normal variation and Assignable cause variation.
c) Common cause variation and Assignable cause variation.
d) Common cause variation and Random variation.
2. A process is “in control,” if Select one:
a) All the data points for a critical-to-quality parameter are within the specification limits (LSL, USL).
b) All the data points for a critical-to-quality parameter are within the control limits (LCL, UCL).
c) Calculated sample statistics from samples taken from production of a critical-to-quality parameter are within the specification limits (LSL, USL)
d) Calculated sample statistics from samples taken from production of a critical-to-quality parameter are within the control limits (LCL, UCL)