Final answer:
Mailing a survey to every subscriber represents the use of census sampling, where the entire population of interest is surveyed or sampled.
Step-by-step explanation:
The act of mailing a survey to every subscriber represents the use of census sampling. Census sampling is a method in which the entire population of interest is surveyed or sampled. In this case, the magazine publisher wants to gather information about the quality of its subscription service from all of its subscribers.