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Collection of Data — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsCollection of Data3 Marks
Question
Write the advantages of pilot survey.
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Answer

Advantages of pilot survey are:
  1. The questions to be asked in main survey are tested through pilot survey.
  2. The problems which may arise during large survey are guessed and solutions are found out.
  3. Some aspects of data are estimated.
  4. The time and cost of actual survey can be estimated exactly.

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