A summary measure that is computed from a population is called :

A. a parameter

B. a population

C. a statistic

D. both a parameter and a population since they are the same

19.A college professor decides to run for Congress in a district with 450,000 registered voters. In a survey she commissioned, 58% of the 4000 registered voters interviewed indicated that they plan to vote for her. The population of interest is the:

A. 42% or 1,680 voters interviewed who plan not to vote for her

B. 58% or 2,320 voters interviewed who plan to vote for her

C. 4,000 registered voters interviewed

D. 450,000 registered voters in the district