Basis of difference

Census method

Sample method

1. Items to be studied

1. Under census method each and every unit of the universe is studied.

1. Under sample method, only some of the items which represent the population are studied.

2. Suitability

2. This method is suitable when the area of investigation is relatively small.

2. This method is suitable where the area of investigation is wide.

3. Conclusion

3. In this method, conclusions are drawn on the basis of whole universe.

3. In this method, conclusions are drawn on the basis of a sample.

4. Time

4. It is more time consuming method.

4. It is less time consuming method.

5. Natural of items

5. Census method is particularly suitable where the items in the population have diverse characteristics.

5. Sampling method is particularly suitable when items in the population are homogeneous.

6. Verification

6. Under census method the results of investigation is generally not possible.

6. Under sampling method results can be verified by taking out another sample.

7. Nature of method

7. It is an old method of investigation.

7. It is a new and practicable method.

8. Number of enumerators

8. Census method requires a large number of enumerators.

8. It does not require a large number of e^- umerators.

9. Expensive

9. It is more expensive.

9. It is c'^r lparatively less expensive'