Which of the following is most likely the cause of a level shift in a SPC chart?
A)Tool wear
B)A new worker
C)Temperature fluctuations
D)Alternating samples from two machines

Question

Quizplus · Accepted Answer

A level shift in a SPC chart is often caused by a change in the process, such as a new worker who may have different skills or habits than the previous worker. Tool wear, temperature fluctuations, and alternating samples from two machines are more likely to cause random variation in the process.

Which of the Following Is Most Likely the Cause of a Level