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Collection of Data — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsCollection of Data1 Mark
MCQ
The method of collecting primary data is these
  • A
    personal interview.
  • B
    telephone interview.
  • C
    mailing questionnaire.
  • ✓
    All of.
✓

Answer

Correct option: D.
All of.

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