1 Presidential Election This Fall the United States will ele

1. Presidential Election. This Fall the United States will elect its 45th president. The Republican and Democratic party presidential hopefuls have been campaigning relentlessly in an effort to not only become their party’s nominee but also become elected the next president of the United States. The election in November could be as historic as the election in 2008 if the country elects its first woman to be president. A political scientist working for NORC (National Opinion Research Center) is conducting a study of public opinion among registered voters on favorability of a female president. She obtains a representative sample consisting of 1254 registered voters, 68% of which believe that the country is ready for a female president. For each of the following questions, select the best answer from choices i. through vi. listed below. i all registered voters in the U.S. ii the 1254 registered voters participating in the study iii the percentage of the 1254 registered voters who believe that a female president is acceptable iv all registered voters who believe that a female president is acceptable v the percentage of all registered voters who believe that a female president is acceptable vi all eligible voters in the U.S. (a) What is the population of interest? (b) What is the sample? (c) What is the parameter? (d) What is the statistic?

Solution

Population of interest is all the registered voter (i)

What is the sample : 1254 of registered voters participating in the study (ii)

Parameter: the percentage of all registered voters who believe that a female president is acceptable (v)

Statistic: the percentage of the 1254 registered voters who believe that a female president is acceptable (iii)