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Students in a high school woodworking class wants to conduct a survey to determine the percentage of students in the school who are willing to pay a fee for participating in workshops. Students in each home room are alphabetically sorted by last name. A simple random sample of 12 home rooms was selected and the survey was given to all 20 students in each home room. This plan is an example of which type of sampling?

a) cluster
b) stratified random
c) convenience
d) simple random
e) systematic

Respuesta :

lucic

Answer:

a) cluster sampling

Step-by-step explanation:

In cluster sampling method, each member of a population is assigned to one and only one group.This means clusters are formed through probability method usually a simple random sampling.The participants in the clusters are the only one to be surveyed.

In this example,  simple random sampling is used to identify 12 home rooms(cluster) where a group of 20 students (participants) in each room is given the survey.

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