Question

what are the main sources of errors in the collection of data
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Answer 1

The main sources of error in the collection of data are as follows :

Due to direct personal interview.

Due to indirect oral interviews.

Information from correspondents may be misleading.

Mailed questionnaire may not be properly answered.

Schedules sent through enumerators, may give wrong information.

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Answer 2

Explanation:

The main sources of error in the collection of data are as follows :

Due to direct personal interview.

• Due to indirect oral interviews.
• Information from correspondents may be misleading.
• Mailed questionnaire may not be properly answered.
• Schedules sent through enumerators, may give wrong information.