Here are three multiple choice questions which are probably extremely easy, but I cannot get correct:
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.
8. 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.
9. 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.
A national survey interviewed 3,800 people age 18 and older nationwide by
telephone. One question asked was the annual income of the person. Of those
surveyed, the average annual income was found to be $42,010. A statistic in this
situation is
a. the 3,800 people interviewed.
b. $42,010.
c. the fact that those interviewed are age 18 and older.
d. all of the above.
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.
8. 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.
9. 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.
A national survey interviewed 3,800 people age 18 and older nationwide by
telephone. One question asked was the annual income of the person. Of those
surveyed, the average annual income was found to be $42,010. A statistic in this
situation is
a. the 3,800 people interviewed.
b. $42,010.
c. the fact that those interviewed are age 18 and older.
d. all of the above.
-
The population is the total number of voters in his state.
The sample is the 1600
Statistic is the $42010 which is the sample mean
The sample is the 1600
Statistic is the $42010 which is the sample mean