A politician who is running for the office of governor of a statewith 7 million

Question

A politician who is running for the office of governor of a statewith 7 million registered voters commissions a survey. In thesurvey, 55% of the 10,000 registered voters interviewed say theyplan to vote for her. The population of interest is the:

a. 55% of the 7 million registered voters in the state
b. 7 million registered voters in the state
c. 55 %, or 5,500 voters interviewed who plan to vote for her
d. 10,000 registered voters interviewed
e. 45%, or 4,500 voters interviewed who plan not to vote forher


I know it's not c or d but now I'm stuck. Please explain why youchose a specific answer too so i can understand thanks.

Explanation / Answer

Think about what statistics help us do- they help us understand andmake educated estimates about the true state of things. Thepolitician already knows about the results of the survey, they areof no interest to her. She is, on the other hand, interested inwhat proportion of the entire state will vote for her, so theanswer is b. the 7 million registeredvoters.

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