Mathematics, 19.07.2020 01:01 fernandaretanaoxwln0
A woman in the airport is handing out questionnaires to travelers asking them to evaluate the airport's service. She does not ask travelers who are hurrying through the airport with their hands full of luggage, but instead asks all travelers sitting near gates and those travelers who are not taking naps while they wait.
a. Simple random
b. Cluster
c. Convenience
d. Stratified
e. Systematic
Answers: 2
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