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Collection of Data
Question
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What are the main elements of sampling ?

Answer

Main elements of sampling : Following are main elements (essentials) of sampling:

1. A sample is the representative of all the characters of universe.

2. All units of sample must be independent of each other.

3. The number of items in the sample should be fairly adequate.

4. If more than one sample are selected from a universe, these samples should be homogeneous and not contradictory to each other.

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