Exercises (1) An IT student, working on his thesis, plans a survey to determine

Question

Exercises (1) An IT student, working on his thesis, plans a survey to determine the proportion of all computer users who regularly scan flash disks before using them. He decides to interview his classmates in the three classes he is currently enrolled a) What is the population of interest? b) Do the student's classmates constitute a simple random sample from the population of interest? c) What name have we given to the sample that the student collected? d) Do you think that this sample proportion is likely to overestimate, or underestimate the true proportion of all computer users that regularly scan ash disks before using them?

Explanation / Answer

a) The population of interest is "all computer users".

b) No, this sample is not selected randomly. So, this is not a simple random sample.

c) This is convenience sample.

d) This sample proportion is likely to overestimate the true proportion of all computer users that regularly scan ash disks before using them.

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