The sampling is a technique to choose a small number of group from the population and form an opinion about the population on the bases of results derived from the sample. The sampling is used because in many cases technically it is not possible to cover the whole population. for example in the audit it is not possible for auditor to inspect all document so he uses the sampling technique in the audit.
The characteristic of good sampling technique includes
- It must represent the whole population
- Every member must have equal chance of selection
- Size of the sample must be sufficient to cover the all population
- Sample must be free from bias
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