Which of the following is a nonobservation error? a. A researcher ...

[09madisonrousseau09]

Which of the following is a nonobservation error?
 a. A researcher deliberately excludes those under 21 years of age from the survey.
  b. In an opinion poll, those incarcerated in a state penitentiary are intentionally excluded from the sample.
  c. In an opinion survey, the sample is selected from a mailing list of car registrations.
  d. A marketer conducting research for a dog food manufacturer purposely restricts the sample to dog owners.
  e. None of the above.

Question 2

When sampling from lists, three problems are commonly encountered: both ineligibles and duplicates are included on the list, while some members of the target population are excluded. These are examples of
 a. noncoverage errors.
  b. response errors.
  c. nonresponse errors.
  d. office errors.
  e. sampling errors.

[cassie_ragen]

Answer to Question 1

C

Answer to Question 2

a

[09madisonrousseau09]

Thank you

[cassie_ragen]

Happy to help you