A(n)_____ is the result of some cause that gradually affects the quality characteristics of the product and causes the points on a control chart to gradually move up or down from the center line.
A)instability
B)process shift
C)cycle
D)trend

Question

Quizplus · Accepted Answer

A trend is a gradual change that affects the quality characteristics of a product over time, causing the points on a control chart to move up or down from the center line. It is a result of a systemic cause and can be detected using statistical process control tools. A process shift, on the other hand, is a sudden change in the quality characteristics of a product, and it causes the points on a control chart to shift suddenly from the center line.

A(n)_____ Is the Result of Some Cause That Gradually Affects