Problem: Explain which of the following is a statistic and which is a perimeter.
a. The mean age of Americans from the 2020 decennial census
b. The unemployment rate for the population of U. S adults estimated by the government from a large sample
c. The percentage of students at your school who receive an athletic scholarship
d. The percentage of Arizonans opposed to increasing border control from a poll of 1,000 residents
e. The mean salaries of employees at your school( e.g. administrators, faculty, maintenance)