One problem with using random digit dialing to get a ...

[audie]

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.

[aidanmbrowne]

Answer to Question 1

C

Answer to Question 2

A

[audie]

Gracias!

[cassie_ragen]

Thanks for the timely response, appreciate it