The most economical method of primary data collection is _____________.

information through agencies

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survey

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direct personal observation

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mailed questionnaires

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Solution

The correct option is C mailed questionnaires
Mailed questionnaires is a very cheap or economical method as it is very easy to gather information through this as one can easily send emails to its target sample and also it is a cost-efficient method.

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Similar questions

(A) Distinguish between census method and sampling method.

(B) Distinguish between primary data and secondary data.

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