A politician who is running for the office of governor of a state with 7 million registered voters commissions a survey. In the survey, 55% of the 10,000 registered voters interviewed say they plan to vote for her. The population of interest is the:
A) 7 million registered voters in the state
B) 10,000 registered voters interviewed
C) 55 %, or 5,500 voters interviewed who plan to vote for her
D) 45%, or 4,500 voters interviewed who plan not to vote for her
E) 55% of the 7 million registered voters in the state

Question

Quizplus · Accepted Answer

The population of interest is the entire group of 7 million registered voters in the state, as this is the group for whom the politician is trying to win support. The 10,000 registered voters interviewed are simply a sample of the population, and the 55% who plan to vote for the politician are a sub-group within the sample. The 45% who plan not to vote for her are also a sub-group within the sample. Therefore, the best answer is A.

A Politician Who Is Running for the Office of Governor