A slow drift of measurements either up or down from the process centerline suggests a:
A)mixed process.
B)trend.
C)instability.
D)cycle.

Question

Quizplus · Accepted Answer

A slow drift of measurements either up or down from the process centerline suggests a trend. This means that the process is gradually shifting in one direction over time. A mixed process would have variations that are not explainable by a single cause, instability would have more unpredictable variations, and a cycle would have regular and repeating variations.

A Slow Drift of Measurements Either Up or Down from the Process