To overcome one of the shortcomings of telephone surveys due to ...

[K@]

To overcome one of the shortcomings of telephone surveys due to unlisted telephone numbers:
 a. survey takers purchase mail lists of unlisted telephone number subscribers.
  b. survey takers employ random digit dialing facilities.
  c. survey takers contact telephone companies for a list of unlisted telephone numbers.
  d. survey takers purchase lists of unlisted telephone numbers from magazine subscribers.
  e. survey takers go door to door and identify the unlisted telephone subscribers.

Question 2

When a person receives a mail questionnaire and places it in the wastebasket, they are contributing to:
 a. sampling error
  b. response error
  c. nonresponse error
  d. nonsystematic error
  e. nonsampling error

[brittrenee]

Answer to Question 1

B

Answer to Question 2

C

[K@]

TYSM

[Dinolord]

Gracias!