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

Question

Quizplus · Accepted Answer

Predictable variation is not one of the four types typically estimated in time-series analysis. The four types of variation usually identified are Trend, Cyclical, Seasonal, and Irregular variations. Predictable variation is not a standard classification in this context.

Which of the Following Is Not One of the Four