Question

Refer to Exercise A.8. Suppose the professor obtains a list of all students enrolled at the university from the registrar’s office and then selects 150 students at random from this list using a statistical software package such as Minitab.
a. Is this sample a random or a nonrandom sample? Explain.
b. What kind of sample is it? In other words, is it a simple random sample, a systematic sample, a stratified sample, a cluster sample, a convenience sample, a judgment sample, or a quota sample? Explain.
c. Do you think any systematic error will be made in this case? Explain.


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  • CreatedAugust 25, 2015
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