Question
Which of the following methods give better results and why ?
(a) Census,
(b) Sample.
Solution
Choice between the two methods depends upon the objective of the survey. Usually sample surveys are preferred due to following reasons :
1. This method is very simple.
2. In this method, there is the economy of time, labour and wealth.
3. This method is more feasible in situation of large investigation than the census method.
4. In case of an extensive investigation, this method is more appropriate.