The director of Washington County Animal Services wants
to learn more about the adoptable pets in local animal
shelters.
Which of these methods will produce the most representative sample of the
population of adoptable pets at shelters in Washington County?
O
A. The director selects adoptable pet ID numbers at random from
each shelter.
O
B. The director evaluates all adoptable rabbits at area shelters.
O
C. The director visits each shelter and evaluates the first 10 cats in
each place.
O
D. The director evaluates every adoptable pet at one selected shelter.