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Collection of Data — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsCollection of Data3 Marks
Question
Do samples provide better results than surveys? Give reasons for your answer.
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Answer

Sample gives provide better results than surveys because:
  1. A sample can provide reasonably reliable and accurate information at a lower cost and shorter time.
  2. As samples are smaller than population, more detailed information can be collected by conducting intensive enquiries.
  3. Sample need a smaller team of enumerators, it is easier to train them and supervise their work more effectively.

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