Some Improved Estimators in Double Sampling Using two Auxiliary Variables
Dash and Mishra [1] suggested an improved class of estimators without defining the optimum estimator. However, they gave the wrong Taylor’s series expression of their class of estimator and their minimum mean squared error expressions are also incorrect. Here we show that Ahmed et al.’s [2] class of...
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| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Sultan Qaboos University
2015-02-01
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| Серія: | Sultan Qaboos University Journal for Science |
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| Онлайн доступ: | https://journals.squ.edu.om/index.php/squjs/article/view/435 |