Assertion: census's population | /r/HasProperty | 20-year-old males
Facets:
value: in a study
type: LOCATION
value: in the united states
type: LOCATION
Source sentences:
text: For example, in a study that is trying to determine the mean weight of all 20-year-old males in the United States, the population would be all 20-year-old males in the United States.