Answer:
False
Explanation:
It is false that Cross-sectional data contain values of a characteristic of one subject collected over time.The type of data composed by observing many subjects at the same point of time are called Cross-sectional data. Cross sectional data always relates to enterprises, households etc and it is observed at a given date.For example if we are taking a annual statistics of any thing for year 2019, it would comprise on that particular year.