Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Sociology Research Methodology and Methods

What is the primary advantage of stratified sampling over simple random sampling?

1
Stratified sampling is less susceptible to sampling error.
2
Stratified sampling is more efficient than simple random sampling.
3
Stratified sampling allows for the examination of subgroups within the population.
4
Stratified sampling is less expensive than simple random sampling.
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