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According to a Gallup poll, about 90% of all American adults owned a cell phone at the time of the poll. The results are based on telephone interviews with a randomly selected national sample of 998 adults, 18 years and older. The margin of error was reported to be 3.5%.
-What was the population of interest in this Gallup Poll?
A) All American adults who own cell phones.
B) All American adults.
C) The 998 adults who participated in the survey.
D) The participants in the survey who owned cell phones.

Question

Use the following information for questions:
 According to a Gallup poll, about 90% of all American adults owned a cell phone at the time of the poll. The results are based on telephone interviews with a randomly selected national sample of 998 adults, 18 years and older. The margin of error was reported to be 3.5%.
-What was the population of interest in this Gallup Poll?
A) All American adults who own cell phones.
B) All American adults.
C) The 998 adults who participated in the survey.
D) The participants in the survey who owned cell phones.

Quizplus · Accepted Answer

The population of interest refers to the entire group about whom the poll seeks to draw conclusions, which in this case is all American adults, regardless of whether they own a cell phone or not.

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