A pollster wants to find out if citizens are satisfied with
张希希2022-10-04 11:39:541条回答
A pollster wants to find out if citizens are satisfied with the city council.Which procedure would be most appropriate for obtaining a statistically unbiased sample?
Choose one answer.
a.placing an advertisement in the local newspaper asking for mail-in responses
b.surveying people whose names have been randomly chosen from the telephone book
c.mailing a questionnaire to people whose names have been chosen randomly from a list of customers of the municipal utility company
d.interviewing people at a popular local shopping centre
Choose one answer.
a.placing an advertisement in the local newspaper asking for mail-in responses
b.surveying people whose names have been randomly chosen from the telephone book
c.mailing a questionnaire to people whose names have been chosen randomly from a list of customers of the municipal utility company
d.interviewing people at a popular local shopping centre
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ndfranksun 共回答了15个问题 |采纳率86.7%- 应该选B.
- 1年前
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