1.

Mention the merits and demerits of sample survey.

Answer»

The Merits are:-

  • This method requires less labour, less time and is economical. 
  • Sample survey is more scientific.
  •  This method is applied for those units which are destructive in nature. 
  • Sample survey is free from non sampling errors. 

The Demerits are:- 

  • Sample survey requires adoption of appropriate sampling method and appropriate methods of analysis. 
  • If the population is too heterogeneous in nature, the use of sampling procedure is impossible 
  • Sampling errors are part and parcel of sample survey.


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