A is a group of individuals in the population who are located near each other.
Scenario B: A store representative surveys every 10th customer entering the store about store hours. This is an example of .
The individuals in a cluster are , whereas the individuals in a strata are .
The individuals in a cluster are , whereas the individuals in a strata are .
Scenario A: A coach assigns a number to each one of his players and randomly draws three numbers. The students to whom those numbers are assigned will represent the team on the stage at the pep rally. This is an example of .
Scenario C: The manager of a condominium complex wants owners’ opinions regarding whether to add a fitness room or add a hot tub to the property. Rather than ask the owner of every unit, he surveys all the owners from the 6th and 15th floors. This is an example of .
This scenario describes .
Scenario D: The administration of a high school wants to know whether students prefer regular or block schedules. They randomly select 30 students to survey from each grade. This is an example of .
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