Not all telephone polls carried out to estimate
voter or consumer preferences make calls to c...
Mathematics, 09.09.2019 22:30 RoxanneDuartee
Not all telephone polls carried out to estimate
voter or consumer preferences make calls to cell
phones. one reason is that in the usa, automated
calls ("robocalls") to cell phones are not
permitted and interviews conducted by humans
are more costly.
a. how might the strategy of leaving out cell
phones affect the goal of obtaining a random
sample of voters or consumers?
b. which criterion of random sampling is most
likely to be violated by the problems you
identifi ed in part (a): equal chance of being
selected, or the independence of the selection
of individuals?
c. which attribute of estimated consumer preference
is most affected by the problem you
identifi ed in (a): accuracy or precision?
Answers: 2
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