Question

Identify which type of sampling is​ used: random,​ systematic, convenience,​ stratified, or cluster. To determine customer opinion of their check dash in service​, American Airlines randomly selects 110 flights during a certain week and surveys all passengers on the flights.

Answer 1

This is cluster sampling.

Explanation:

American Airlines randomly selects 110 flights during a certain week and surveys all passengers on the flights.

This is a type of cluster sampling.

This type of sampling is done by dividing the population into different groups and a simple random sample of clusters is selected from the population.