Sampling Techniques-Two-Stage Sampling With Equal Number of Second Stage Units (ISS (Statistical Services) Statistics Paper III): Questions 1 - 1 of 1

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Question number: 1

» Sampling Techniques » Two-Stage Sampling With Equal Number of Second Stage Units

Appeared in Year: 2009

Essay Question▾

Describe in Detail

Distinguish between two-stage and two-phase sampling schemes. Give suitable examples.


Two Stage Sampling:

All elements are surveyed in cluster sampling and efficiency in cluster sampling depends on size of the cluster. As the size increases, the efficiency decreases.

Rather than enumerating all the sampling units in the selected clusters, one can get better and more efficient estimators by resorting to sub sampling within the clu

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