According to Martin Boon of ICM Limited, a polling firm in Britain, in 1995 it took 3000

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According to Martin Boon of ICM Limited, a polling firm in Britain, in 1995 it took 3000 to 4000 phone calls to obtain a sample of size 2000. Today, it takes over 30,000 calls. To reduce costs, more polling is done using robocalls and Internet-based polling. Robocalling to cellular telephones is illegal. How do these methods potentially lead to nonsampling errors? What types of nonsampling errors do you think this may lead to?

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Fundamentals Of Statistics

ISBN: 9780136807346

6th Edition

Authors: Michael Sullivan III

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