The pattern of data in the time series is influenced by a large variety of factors. Which of the following are not the components of the time series?
A. Regional component
B. Irregular component
C. Cyclone component
D. Seasonal component
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → A and C only
A time series has four components: trend, seasonal, cyclical and irregular. The question asks which of the listed items are not components.
So irregular and seasonal are components of a time series, while regional and cyclone are not.
Checking the statements
(A) Regional component — Correct. There is no regional component, so it is not a component of a time series.
(B) Irregular component — Incorrect. Irregular variation is one of the four components.
(C) Cyclone component — Correct. The component is cyclical; there is no cyclone component.
(D) Seasonal component — Incorrect. Seasonal variation is one of the four components.
CBSE Applied Mathematics (Class XII):
Time Series Analysis
