Which of the following is a likely cause of the control chart pattern known as a "trend?"
A)Aging equipment
B)Change in setup method
C)New operator
D)A mixture of two materials

Question

Quizplus · Accepted Answer

A trend in a control chart indicates a gradual shift or change in the process mean over time. Aging equipment can lead to gradual wear and tear, contributing to a gradual shift in the mean. Change in setup method, new operator, and a mixture of two materials may cause sudden shifts or variations in the process, but not a gradual trend.

Which of the Following Is a Likely Cause of the Control