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Collection of Data — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsCollection of Data1 Mark
MCQ
Sample study is useful:
  • ✓
    When population is not completely known.
  • B
    As it is easy to handle samples.
  • C
    As results are more reliable.
  • D
    It is cheap.
✓

Answer

Correct option: A.
When population is not completely known.

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