NCERT · Class 11 · Economics · Collection of DataIn which method of data collection are questionnaires sent to respondents through mail?
Step-by-Step Solution
Mailing questionnaire method involves sending questionnaires via post to respondents, who fill them out and return them.
Detailed Options Breakdown
Option : Direct personal interview
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Collection of Data.
Option 1: Mailing questionnaire method (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Telephonic interview
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Collection of Data.
Option 3: Direct oral investigation
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Collection of Data.
💡 Study Guide: This question tests core syllabus concepts from Collection of Data. For formulas, key summaries, and mock exam reference guides, read the full Collection of Data Revision Notes.