When is sample inquiry undertaken ? - Vidyadip

Question

When is sample inquiry undertaken ?

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Answer

Sample inquiry is undertaken in following circumstances :
$(1)$ The units in a population is very large.
$(2)$ The population is spread over wide geographical area.
$(3)$The units under inquiry are to be destroyed during the inspection.
$(4)$ The availability of time, money and expertise for conducting an inquiry is limited.

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