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题目
确认population和sample
A sociologist obtains a list of 520 members of a local business and professional women's club and mails a questionnaire to 100 of these women selected random.Only 48 questionnaries are returned.What is the poopulation in this study?what is the sample from whom iinformation is actually obtained?

提问时间:2021-01-20

答案
population is 520
the sample size is 100
information is actually obtained from 48 people
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