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State four advantages of using questionnaires in collecting of statistical data.

State four advantages of using questionnaires in collecting of statistical data.

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Martin
- It’s a source of first hand information.

- The researcher can ask for clarification from respondent.

-Similar questions are used for all respondents and comparison can easily be made.

- When posted rigid questionnaires reduce fieldwork expenses
marto answered the question on October 2, 2019 at 09:46

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