The January 2005 Gallup Youth Survey telephoned a random sample of 1,028 U.S. teens and asked
These teens to name their favorite movie from 2004. Napoleon Dynamite had the highest percentage
With 8% of teens ranking it as their favorite movie. Which is true?
I. The population of interest is all U.S. teens.
II. 8% is a statistic and not the actual percentage of all U.S. teens who would rank this movie as
Their favorite.
III. This sampling design should provide a reasonably accurate estimate of the actual percentage of
All U.S. teens who would rank this movie as their favorite.
A) III only
B) I, II, and III
C) II only
D) I and II
E) I only

Question

Quizplus · Accepted Answer

The population of interest is indeed all U.S. teens (I). The 8% is a statistic because it is derived from a sample, not the entire population (II). A random sample of 1,028 teens should provide a reasonably accurate estimate of the actual percentage (III).

The January 2005 Gallup Youth Survey Telephoned a Random Sample