Question

Compare the merits of census method and sampling method of collection of data.

Answer 1

$\begin{array}{cc}\text{Merit of Census Method}& \text{Merits of Sample Method}\\ \left(i\right)\text{The results of the census method are}& \left(i\right)\text{A lot of time, energy and money is saved in}\\ \text{likely to be exact and accurate.This is}& \text{the collection of data. This is because the}\\ \text{because the information is collected from}& \text{information is collected from few representative}\\ \text{each and every unit of the universe.}& \text{units of the universe.}\\ \text{missing out on nobody.}& \\ \left(ii\right)\text{An extended and detailed study of the}& \left(ii\right)\text{An extended and detailed study of the units}\\ \text{units is made possible. For example,in}& \text{is not possible.For example, while testing}\\ \text{the population census, a lot of}& \text{the quality of sweets, only samples are tested}\\ \text{information about the population,viz.}& \text{to draw conclusions.}\\ \text{age, martial status, religion, nationality,}& \\ \text{education, occupation etc. are collected.}& \\ \left(iii\right)\text{It is more suitable where area of enquiry}& \left(iii\right)\text{It is suitable where area of enquiry is large.}\\ \text{is comparatively small.}& \end{array}$