Time Series Data Should Be Stored

Multiple Choice

Time series data should be stored:

A) with the earliest time period listed as the first observation, and the most recent time period as the last observation.
B) with the earliest time period listed as the last observation, and the most recent time period as the first observation.
C) with the time period in which the concerned variable takes the highest value listed as the first observation, and the time period in which the concerned variable takes the lowest value as the last observation.
D) with the time period in which the concerned variable takes the lowest value listed as the first observation, and the time period in which the concerned variable takes the highest value as the last observation.