Question

Administrators at A&M Texas university were interested in estimating the percentage of students who are the first in their family to go to college. For each scenario below, identify the type of sample used by the university administrators. Possible answers include simple random sample, systematic sample, stratified sample, cluster sample, census, voluntary response sample, and convenience sample. a) using a computer based list of registered students, select one of the first 25 on the list by random and then contact the students whose name is 50 names later and then every 50 names beyond that.

b) using a computer based list of registered students, contact 1000 students at random .

c) set up a table in the cafeteria every day for a week around breakfast time and ask students to fill out a survey.

d) send ever registered student a text containing the survey question and ask them to reply.

e) select several dormitories at random and contact everyone living in the selected dorms.

f) post the survey on the university website inviting students to participate in the survey.

g) using a computer based list of registered students, contact 200 freshman, 200 sophomores, 200 juniors and 200 seniors selected at random from each class.

Answer 1

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