Home › UGC NET › researchaptitude › Research Aptitude — Sampling › Stratified random sampling involves:
Stratified random sampling involves:
APicking every nth element
BUsing the entire population
CSelecting only volunteers
DDividing the population into subgroups and randomly sampling each
Answer & Solution
Correct answer: D. Dividing the population into subgroups and randomly sampling each
1. Systematic sampling picks every nth element.
2. Stratified sampling first divides into strata, then samples each.
3. Hence dividing into subgroups and randomly sampling each.
_Source: Trueman's UGC NET/SLET General Paper I (Manohar Pub.), 2010 — Sampling Methods_