The University Registrar mailed a survey to a total of 400 students.The sample included 100 students randomly selected from each of the first-year,second-year,third-year,and honours level students on campus last term.What sampling method was used?
A)Simple random sample.
B)Systematic sample.
C)Stratified sample.
D)Cluster sample.

Question

Quizplus · Accepted Answer

The sampling method used is stratified sampling. The population of students is divided into four strata based on their academic level, and then a random sample of 100 students is selected from each stratum. This method ensures that each stratum is represented in the sample and helps to reduce sampling bias.

The University Registrar Mailed a Survey to a Total of 400