Tammy wants to do a telephone survey and she turns to you for help. Which of the following statements would mislead her?
A)Cell phone numbers are typically not included in phone surveys.
B)People who use cell phones exclusively tend to be younger.
C)There is a class bias in using telephone directory samples.
D)Telephone directories are an excellent listing of a city's population.
E)Unlisted numbers are not included in telephone directories.

Question

Quizplus · Accepted Answer

Telephone directories are not always an excellent listing of a city's population, as they may not include all individuals or households, especially those who have recently moved or have unlisted numbers.

Tammy Wants to Do a Telephone Survey and She Turns