Polling, part II According to Pew Research, the contact rate (probability of contacting
Chapter 13, Problem 34(choose chapter or problem)
Polling, part II According to Pew Research, the contact rate (probability of contacting a selected household) was 90% in 1997 and 62% in 2012. However, the cooperation rate (probability of someone at the contacted household agreeing to be interviewed) was 43% in 1997 and dropped to 14% in 2012. a) What was the probability (in 2012) of obtaining an interview with the next household on the sample list? (To obtain an interview, an interviewer must both contact the household and then get agreement for the interview.) b) Was it more likely to obtain an interview from a randomly selected household in 1997 or in 2012?
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