Question

In a public opinion poll, a polling company used an online survey tool to randomly contact respondents who did not have telephone lines in addition to contacting people over the phone.

Which of the following best explains this decision?


The company saved money because it did not need to hire as many telephone interviewers to conduct the poll.
The company saved money because it did not need to hire as many telephone interviewers to conduct the poll.

The company was establishing a benchmark poll at the beginning of a campaign.
The company was establishing a benchmark poll at the beginning of a campaign.

The company was interested in asking different questions to different individuals.
The company was interested in asking different questions to different individuals.

The company wanted to ensure that the sample of the population was truly random.

Answer 1

the company wanted to ensure that the sample of the population was truly random

Explanation:

by using the online survey tool it widen the range of people they were able to sample from, removing the previous limitation of everyone they sampled having a phone