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Identify the type of sampling used. A statistics student is trying to determine the proportion of...

Identify the type of sampling used.

A statistics student is trying to determine the proportion of all people who own cell phones. He interviews everyone in his apartment building to determine who owns a cell phone. What sampling technique was​ used?

A.

cluster

B.

stratified

C.

systematic

D.

simple random

E.

convenience

Math   Statistics-And-Probability   
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