If data for a time series analysis are collected on an annual basis only, which of the following components may be ignored?
A) trend
B) seasonal
C) cyclical
D) irregular

Question

Quizplus · Accepted Answer

Seasonal components are fluctuations that occur at specific regular intervals less than a year, such as quarterly or monthly. Since the data is collected on an annual basis, seasonal variations cannot be observed or analyzed, making it the component that can be ignored.

If Data for a Time Series Analysis Are Collected on an Annual