Which of the following is not one of the four types of variation that is estimated in time- series analysis

by
Question:

Which of the following is not one of the four types of variation that is estimated in time- series analysis

A.

predictable

B.

trend

C.

cyclical

D.

irregular

Answer» a. predictable

Note: The above multiple-choice question is for all general and Competitive Exams in India.