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Collection of Data — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsCollection of Data1 Mark
Question
What is sampling error?
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Answer

It is a method of sampling in which all the units of the population do not have an equal chance of being selected and convenience or judgement of the investigator plays an important role in the selection of the sample.

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