•The January 2005 Gallup Youth Survey telephoned a random sample of 1,028 U.S. t

Question

•The January 2005 Gallup Youth Survey telephoned a random sample of 1,028 U.S. teens aged 13-17 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 U.S. teens aged 13-17.

•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. I only B. II only

C. III only D.   I II, and III

Explanation / Answer

Option (D) I, II and III

All the given statements are true.

This is a statictic with teens aged 13 to 17 as target group. This gives a reasonable accurate estimate of the actual percentage of all US teens who would rank this movie as their favorite

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