General Knowledge · Research Methodology
What is the primary reason for using multi-stage sampling in large-scale socio-economic surveys like those conducted by the National Sample Survey Office (NSSO)?
- 1To completely eliminate sampling errors
- 2To optimize cost-efficiency and ensure operational feasibility✓
- 3To ensure 100% enumeration of the entire population
- 4To avoid the need for stratification of data
Correct answer
To optimize cost-efficiency and ensure operational feasibility
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