An overnight opinion poll calls randomly selected telephone numbers. This polling method misses all people without a phone. Which of the following types of errors is present in this situation?
A) processing
B) Nonsampling
C) sampling
D) nonresponse

Question

Quizplus · Accepted Answer

The type of error present in this situation is sampling error. This is because the poll is conducted by randomly selecting telephone numbers, which means that there is a possibility of excluding a certain group of people who do not have a phone. This exclusion can lead to an inaccurate representation of the population, resulting in a sampling error.

An Overnight Opinion Poll Calls Randomly Selected Telephone Numbers