Author Question: One problem with using random digit dialing to get a representative sample of households in a city ... (Read 183 times)

audie · **on:** Jul 24, 2018

One problem with using random digit dialing to get a representative sample of households in a city is that
a. the method can only be used to get a sample for the whole country.
b. households with multiple telephones on the same line will be over-represented.
c. households with multiple phone numbers will be over-represented.
d. households with unlisted phone numbers will not be represented.

Question 2

Which of the following is the best example of a population from which a cluster sample would be easier to obtain that a simple random sample?
a. Passengers who will be flying in the upcoming week on a certain airline.
b. Registered drivers in a certain state.
c. Employees of a large company.
d. Members of a national organization.