Explain how telephone surveys might limit the population sample that is being interviewed and further, how this might affect
What will be an ideal response?
ANS: Phone companies are not permitted to give out cell phone numbers, which reduces the number of participants to those who own landlines. Fewer poor people use landlines, which means that the sample will have different socio-economic status than does the broader population. Last, most young people own cell phones so they would be excluded from the sample.
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a. True b. False
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