(please answer all parts for credit) A state official wants to know which party

Question

(please answer all parts for credit) A state official wants to know which party the voters in his state feel is best qualified to lead the country over the next 10 years. He mails a questionnaire on this subject to a SRS of 1600 voters in his state. His staff reports that 325 questionnaires have been returned. Of these, 241 respondents feel the Democratic Party is best qualified to lead the country over the next 10 years.

1. The population is
A) the 1600 voters receiving the questionnaire.
B) the 325 questionnaires returned.
C) the 241 voters who feel the Democratic party is best qualified.
D) the voters in his state.

2. The sample is
A) the voters in his state
B) the 325 questionnaires returned
C) the 241 voters who feel the Democratic Party is best qualified
D) the 1600 voters receiving the questionnaire

3. This is an example of
A) a survey containing nonresponse.
B) a survey with little bias because a large SRS was used.
C) a survey with little bias since the voters know what they want.
D) all of the above.

Explanation / Answer

1. Population: the voters in his state; Option D

2. Sample: the 1600 voters receiving the questionnaire; Option D

3. This is an example of a survey containing nonresponse. Option A

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