A Pew Research Council Poll recently showed that 23 percent of Americans are religiously unaffiliated. The poll contacted 35,071 adults by telephone. The margin of sampling error was plus or minus 0.6 (six-tenths) of a percentage point. Assume a 95 percent confidence level and no bias. The population for this sample survey is:
A) all adult residents of the United States.
B) the 35,071 people who answered the question.
C) all households in the United States.
D) the 23 percent who said that they were religiously unaffiliated.

Question

Quizplus · Accepted Answer

The population for this sample survey is all adult residents of the United States as the question asked about the religious affiliation of Americans. The poll contacted 35,071 adults, but this is just a sample from the population of all adult residents in the United States. Additionally, the question asked about religious affiliation, not just the 23 percent who said they were unaffiliated.

A Pew Research Council Poll Recently Showed That 23 Percent