Within a Local College,sociology Majors Constitute 20% of Freshmen,20% of Sophomores,30

Multiple Choice

Within a local college,sociology majors constitute 20% of freshmen,20% of sophomores,30% of juniors,and 25% of seniors.Jennifer wants to make sure that her sample proportionally matches the population of sociology majors.Which method of sampling should she employ to be successful?

A) quota sampling.
B) cluster sampling.
C) simple random sampling
D) accidental sampling.
E) systematic sampling.