| Article ID: | iaor20118392 |
| Volume: | 3 |
| Issue: | 1 |
| Start Page Number: | 78 |
| End Page Number: | 78 |
| Publication Date: | Jan 2007 |
| Journal: | Pakistan Journal of Statistics and Operation Research |
| Authors: | Shahbaz Muhammad Qaiser, Hanif Muhammad |
| Keywords: | estimation |
A new approximate formula for sampling variance of Horvitz–Thompson (1952) estimator has been obtained. Empirical study of the approximate formula has been given to see its performance.