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Question
Following the model of London, England Center City, USA decided to install closed circuit television (CCTV) cameras in a downtown park in hopes of reducing the public's fear of crime. Which technique would be the best choice to determine if fear has in fact decreased?a. send out a questionnaire to all citizens living in Center City, USA
b. select, via simple random sampling, 20 citizens to interview
c. interview, via reliance on available subjects, citizens that are in the park
d. because you want to measure a "feeling" there is no accurate way to do this
Answer
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Related questions
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