A researcher wishes to obtain information about American males in the metro area who are between 20 and 25 years of age.He has a phone book that contains the land-line phone numbers of households in the metro area.The researcher uses a random number generator to select 50 households to call.Bearing in mind that he will be contacting only people who have a land line, is this a simple random sample?
A) Yes
B) No
C) Depends on the information the researcher seeks from those surveyed
D) Need more information to answer the question

Question

Quizplus · Accepted Answer

This is not a simple random sample. The researcher only has access to households with land-line phones, which excludes a large portion of the population, including young adults who are more likely to rely on cell phones. Therefore, the sample is not representative of the population of interest.

A Researcher Wishes to Obtain Information About American Males in the Metro