Consider the population of person living in chicago You want

Consider the population of person living in chicago. You want to learn about the proportion of eligible voters who are registered to vote.

a, specify the polulation unit

b, specify the variable of interest

c, specify the statistical population

Solution

Population Unit   Variables of interest

Registered voters in chicago Voter    Political party

Voted or not in last election

Age

Sex

Conservative/liberal

(c)statistical  population is the set of measurements (or record of some qualitative trait) corresponding to the entire collection of units about which information is sought.