Question

mention the merits and demerits of census method?
long answer plss​

Answer 1

Answer:

(1) Census method

(2) Sample method

1. Census Method : Under this method, each and every unit of the universe under survey is studied. For example, if there are 32 students in the class, than the marks of all the 32 students of the class will be collected.

Advantages : This method has following advantages:

1. Results will be absolutely correct, accurate and reliable.

2. There is less possibility of partiality in collecting the data.

3. Extensive knowledge of the problem is possible.

4. Only this method useful, when the units of the universe have different characteristics.

Disadvantages : 1. This method requires a lot of time, energy and money.

2. This method cannot be applied in some

cases.

3. It is an unscientific method.

4. It can be used only in a small universe.

2. Sample Method : Under this method,

data of each, and every unit of the universe is not collected. But data of some representative units of the universe are collected and results may be drawn on the basis of these data for the entire universe.

Advantages : 1. Sample method is easy and scientific.

2. It requires less time and money.

3. This method may be used in those circumstances in which census method may not be used successfully.

Disadvantages : 1. There is possibility of misusing the data.

2. If wrong samples are taken, the analysis will be wrong.

3. This method is applicable only in that universe where various units are similar to each other.

4. The results derived with the help of this method may not be perfectly correct.