The act of collecting data that are representative of the population data is called a. random sampling. b. sample data. c. population sampling. d. sources of data.

random sampling

Explanation:The process of the actual collection of data from a large population is done randomly so that a sample data can be used to get a representative result of the whole population.

This collection is done randomly so that the result may not be bias or be only focused on one population which may result to unreliable results.

The result need to represent the what le population at large.

answer; validity;

answer; ratification;