1 point) A marketing research firm wishes to determine if the residents of Caldw
ID: 3357659 • Letter: 1
Question
1 point) A marketing research firm wishes to determine if the residents of Caldwell, Idaho, would be interested in a new downtown restaurant. The firm selects a simple random sample of 140 phone numbers from the Caldwell phone book and calls each household. Only 30 of those called are willing to participate in the survey, and 28 participants would support a new downtown restaurant.
(a) The population of interest is
A. all residents of Caldwell.
B. the 140 phone numbers chosen.
C. all households in the Caldwell phone book.
D. the 30 households that participated in the study.
E. None of the above.
(b) The chance that all 140 phone numbers chosen are located in one particular neighborhood in Caldwell is
A. reasonably large due to the ''cluster'' effect.
B. exactly 0. Simple random sampling will spread out the locations of the phone numbers selected.
C. the same as for any other set of 140 phone numbers.
D. 140 divided by the size of the population of Caldwell.
E. None of the above.
(c) The sample in this survey is
A. all residents of Caldwell.
B. all households in the Caldwell phone book.
C. the 30 households that participated in the study.
D. the 140 phone numbers chosen.
E. None of the above.
Explanation / Answer
Solution:-
a) option A. all residents of Caldwell.
b) option C. the same as for any other set of 140 phone numbers.
c) option C. the 30 households that participated in the study.
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