A study is to be conducted to examine how much currently-enrolled students at a particular university feel their academic program is relevant to their livelihood goals. Each student sampled is asked to provide a score on a scale from 0-10, with 1 signifying that their program is of minimal relevance, and 10 signifying that their program is of maximal relevance.

a) Describe the relevant population for this study.

For each of (b)-(f), which are different approaches to collecting a sample for this study, answer the following: i. What type of sample is being conducted, and why? ii. Is the sample biased or non-biased, and why? Note: in each case, individuals selected are included in the sample only if they are currently-registered students at the university.

b) From a list of all currently-registered students at the university, a sample of students is selected randomly.

c) Based on current enrolment levels in each program area at the university, a random sample is selected such that each program area is proportionally represented in the sample.

d) From a similar list as in (b), every 100th currently-registered student at the university is selected, starting at a randomly-selected position in the list between 1 and 100.

e) An email survey is sent to every currently-registered student at the university, and a sample is obtained from the first 100 students who submit a completed online response form.

f) A similar list as in (b) is divided, based on alphabetical order, into 40 equal-sized groups. Then, 5 of these groups are randomly selected, and every student in each selected group is included in the sample.

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