A time series is a set of numerical data points of a variable arranged in
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → successive order of time
A time series records the values of a variable at successive times or successive periods, for example the opening price of a share on each day of a year, written in date order.
Keeping the time order is what lets us see the trend, the seasonal pattern and the other changes of the variable over time.