A school district has eight elementary schools, four middle schools, and two high schools. The district’s IT manager wishes to survey teachers regarding the use of technology in the classroom. Which of the following designs would create appropriate strata?
Which of the statements is NOT true regarding the advantages and disadvantages of stratified random sampling?
Read each scenario. Check all statements that are true.
Which of the statements is NOT true regarding the advantages and disadvantages of systematic random sampling?
Scenario A is an example of .
Scenario B is an example of .
A is a group of individuals in the population who are located near each other.
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 .
This scenario describes .
This scenario describes .
This scenario describes .
This scenario describes .
Scenario C is an example of .
The individuals in a cluster are , whereas the individuals in a strata are .
Scenario B: A store representative surveys every 10th customer entering the store about store hours. 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 .
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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