Which one of the following is not a component of a time series?
A) Secular trend
B) Moving average
C) Seasonal variation
D) Irregular variation
E) Cyclical variation

Question

Quizplus · Accepted Answer

Moving average is a statistical method used to smooth out random fluctuations or noise in a time series, but it is not a component of a time series itself. The components of a time series are typically identified as the secular trend, seasonal variation, cyclical variation, and irregular variation.

Which One of the Following Is Not a Component of a Time