If the population is distributed into homogeneous groups and random sampling is drawn from each subgroup, this technique is called?

If the population is distributed into homogeneous groups and random sampling is drawn from each subgroup, this technique is called?
(a) Systematic sampling
(b) Cluster sampling
(c) Stratified sampling
(d) Random sampling
✅ Answer: (c) Stratified sampling
Explanation: Stratified sampling ensures representation from each subgroup of the population.