Instability in a process is indicated when samples:
A)tend to alternate between high and low values.
B)drift slowly either upward or downward.
C)vary more than expected.
D)shift abruptly either above or below the centerline.

Question

Quizplus · Accepted Answer

Instability in a process is indicated when samples vary more than expected. This means that the process is not consistent and there are fluctuations that need to be addressed. Options A, B, and D may be specific examples of instability, but they do not capture the broader definition of variation beyond expectations.

Instability in a Process Is Indicated When Samples