representative sampling vs stratified sampling

representative sampling and stratified sampling both are nouns.

Word	Noun	Adjective	Verb	Adverb
representative sampling	Yes	No	No	No
stratified sampling	Yes	No	No	No

As nouns, representative sampling and stratified sampling are synonyms defined as:

representative sampling and stratified sampling: the population is divided into subpopulations (strata) and random samples are taken of each stratum

Other synonyms of representative sampling include proportional sampling.

representative sampling (noun)	stratified sampling (noun)
the population is divided into subpopulations (strata) and random samples are taken of each stratum	the population is divided into subpopulations (strata) and random samples are taken of each stratum