Components of Time Series are
(A) Secular Trend Component
(B) Seasonal Component
(C) Moving Average Component
(D) Cyclical Component
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → (A), (B) and (D) only
A time series has four components: secular trend, seasonal variation, cyclical variation and irregular (random) variation.
Checking the statements
(A) Secular Trend Component — Correct. The long-term movement of the series.
(B) Seasonal Component — Correct. The regular variation within a year.
(C) Moving Average Component — Incorrect. A moving average is a method of estimating the trend, not a component.
(D) Cyclical Component — Correct. The up-and-down swings over periods longer than a year.
CBSE Applied Mathematics (Class XII):
Index Numbers and Time Based Data
