To study the security protocol at the Richmond International Airport, 10 passengers were randomly selected from each flight leaving the airport on a particular day and questioned about the security efforts they experienced while at the airport. This is an example of which of the following sampling techniques?
Stratified T/F

Answer is True. Stratified sampling.

Explanation:

Stratified sampling is a type of sampling method that involves the division of a total population into smaller groups , which is known as strata in completing the sampling process. After this, a probability sample is drawn from each group or strata.

In this case, the 10 passengers that were randomly picked are the probability sample , while each flight where the passengers were picked are the small groups or strata.

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