Which of the following does not describe a time series plot with an irregular cycle?
A)It repeatedly goes up and back down smoothly, but with an irregular pattern so as not to be predictable.
B)It randomly fluctuates with no pattern at all.
C)Its irregularity can often be explained by outside factors such as political or social situations.
D)All of the above.

Question

Quizplus · Accepted Answer

A time series plot with an irregular cycle would still have some pattern, even if it is not easily predictable. The irregularity can often be explained by outside factors, but it would not be completely random with no pattern at all.

Which of the Following Does Not Describe a Time Series