CA Foundation · Quantitative Aptitude · Statistical Description of Data
A researcher wants to study the opinions of 5,000 customers spread across many Indian states, at low cost, using a set of written questions sent by post or email and returned by the respondents. This method of collecting primary data is called:
The method is the mailed questionnaire method. Written questions are sent to respondents, who fill them in and return them. It is economical and reaches widely scattered people, unlike personal interviews or enumerator-filled schedules, which need field staff.
- ADirect personal interview
- BMailed questionnaire methodCorrect
- CObservation method
- DSchedule filled by enumerators
Explanation
When a questionnaire is sent to respondents who fill it in themselves and return it, it is the mailed questionnaire method. It is cheap and covers wide areas. A schedule is filled by an enumerator, and personal interview needs face-to-face contact, so those do not match.
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