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OpenStudy (anonymous):
in order to find out what the best restaurant in town is, you call 25 of your friends at random. What type of survey is this? A. Biased B. Random C. Systematic D. Stratified
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OpenStudy (anonymous):
Someone had already answered this question: http://openstudy.com/study#/updates/52d43b9ae4b01e5fc1e07bd7
OpenStudy (anonymous):
D
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