In a time series, the variations which occur due to general tendency of the data to increase or decrease over a long term are known as:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Secular Variations
In a time series, Secular Variations (or long-term trend) represent the general tendency of the data to increase or decrease over a long period of time, usually due to factors such as population growth, technological progress, or economic development.