Class Size
Freshman 2200
Sophomore 1800
Junior 1400
Senior 1100


Heidi is doing a study for her statistics class, and she needs to obtain a random sample of students from a local college. [The enrollment at the college is summarized in the table shown.]

Choose the BEST way to obtain a sample of size 50.
A) Select 50 students from a new student orientation session.
B) Select 50 students from participants in a career day presentation.
C) Select 50 students from the stadium homestands during a football game.
D) Select only seniors because they have been attending the school longer.
which is the answer