Question

A small math department has six faculty members and 30 students. The department can send six people to a national convention, and it would like to send four students and two faculty members. Of the 30 students, four are selected randomly. Two faculty members are randomly selected from the six. This is an example of:

Answer 1

Answer: STRATIFIED RANDOM SAMPLING

Stratified random sampling in statistics can be defined as a method of sampling which involves the division of a population into subpopulations.

The subpopulations are formed based on the shared characteristics.

In the subpopulations, it is ensured that each population is well represented among the population. Like in the example in the question, all the subpopulations; the faculty members; the students are well represented.