Which is not characteristic of a trend?
A)Variance is essentially unchanged from sample to sample.
B)It is often due to mixing two batches of materials.
C)It is detectable on a control chart if enough samples are taken.
D)Rules of thumb can be established to detect it.

Question

Quizplus · Accepted Answer

The mixing of two batches of materials may result in a sudden and large shift in the process, which is not a characteristic of a trend. A trend is a gradual change in the output of a process over time. Choices A, C, and D are all characteristics of a trend.

Which Is Not Characteristic of a Trend