Stratified sample Flashcards
1
Q
Stratified sample
A
Population split into groups with same characteristics (strata)
Number of members selected = proportional to strata’s size
Strata’s members = then selected using a simple random sample
2
Q
Stratified sample
A
Population split into groups with same characteristics (strata)
Number of members to be selected from each strata = proportional to its size
Those members are then selected using S.R.S