Question 1

Part a.)

For Six Sigma "Define" stage, what is the most important task?

problem solving

Critical-to-quality characteristics

production costs

process capability

Part B.}

A process has been operating very capably with all of its output falling between the UCL and the LCL. Nonetheless, there is some level of variation in the measurements of the output of the process. What is the source of this variation?

Less experienced operators

Inconsistent raw materials

Natural variation

Equipment wear and vibration