The faculty senate at a major university with 35,000 students is considering changing the current grading policy from A, B, C, D, F to a plus and minus system–that is, B+, B, or B‒ rather than just B. The faculty is interested in the students’ opinions concerning this change and will sample 500 students.
a. What is the population of interest?
b. What is the sample?
c. How could the sample be selected?
d. What type of questions should be included in the questionnaire?
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