Keeping in mind the importance of survey design and wording, you want to investigate the percentage of students who have cheated in exams and assignments. From your random sample of 1478 students from a total student population of 10000, the percentage that admits to cheating is 28%. Why might this percentage be unrepresentative?
(a) Responses can depend greatly on the wording of the questions.
(b) Surveys sample only a small part of the population and can never be trusted.
(c) The sample may not have been randomly selected.
(d) The sample may have had problems with bias resulting from subjects not telling the truth.
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