Acollege administrator knows that 70% of the students at her college are from out of state, so she decides to make sure that she includes 70 out-of-state students and 30 in-state students in her survey about admission practices at the college. she has a list of all the out-of-state and in-state students currently enrolled at the college. she randomly selects 70 students from the out-of-state list and 30 students from the in-state list. which sampling method is she using? - cluster sampling- multistage sampling- quota sampling- stratified random sampling

stratified random sampling      

Explanation:

Stratified random sampling: This is one of the sampling techniques used in research, and is defined as a sampling technique in which a specific population is being divided into similar or identical groups named as "strata" and these strata share similar characteristics. And, from this strata, a particular sample is being selected randomly.

It is deliberately used in research to increase the generalizability of a given research.

The researcher uses a stratified random sampling technique to highlight particular strata within a specif population.