a. A large convenience store chain wishes to determine its customers’ level of satisfaction with regard to their service. b. A nationwide survey on charter change is to be conducted. (Note: there are seventeen regions in the Philippines.) c. An educational researcher wants to compare the difference in career goals between male and female students of Otto Hahn University who has 10,000 students.
In each of the following situations, a random sample must be obtained. Determine whether a cluster, stratified, or systematic random sampling would be appropriate. Explain in detail how the sampling is to be conducted. Do not discuss expected results or conclusions.
a. A large convenience store chain wishes to determine its customers’ level of satisfaction with regard to their service.
b. A nationwide survey on charter change is to be conducted. (Note: there are seventeen regions in the Philippines.)
c. An educational researcher wants to compare the difference in career goals between male and female students of Otto Hahn University who has 10,000 students.
d. A social researcher wants to determine whether electronic engineers who work in the communications field earn more than those who are in semiconductor industries.
e. A market analyst would like to compare the durability, in terms of mean time before wear, of two leading brands of car tires.
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