Random sampling is the selection of clusters first from the community. Then the correct option is C.
Random sampling is the method of selecting the subset from the set to make a statical inference.
A researcher for an airline interviewed all of the passengers on five randomly selected flights.
Cluster sampling is a strategy in which the research splits the overall population into distinct clusters (groups).
Then random sampling is the selection of clusters first from the community.
More about the sample method link is given below.
https://brainly.com/question/15125943
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