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Answer» The advantages of sampling are as follows : - In sample study as few units are to be examined, detailed study can be done.
- As few units are to be studied the survey work requires less time.
- The cost of study is also very less.
- In sample study few persons are required for the survey work, hence experts can be appointed. This will increase the reliability of the results.
- In certain survey special types of equipments are required. This is possible only if few units are to be studied.
- When the test is of destructive nature, sampling is only the way out. In such cases population study is not possible.
- A large area is covered in the available time and money.
- If proper method of sampling is employed, the results obtained will represent the population adequately.
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