Population Median Estimation Using Auxiliary Variables: A Simulation Study with Real Data Across Sample Sizes and Parameters
This paper introduces an enhanced class of ratio estimators, which employ the transformation technique on an auxiliary variable under simple random sampling to estimate the population median. The transformation strategy can reduce both the bias and mean square error, which can help estimators become...
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| Format: | Article |
| Language: | English |
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MDPI AG
2025-05-01
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| Series: | Mathematics |
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| Online Access: | https://www.mdpi.com/2227-7390/13/10/1660 |
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| author | Umer Daraz Fatimah A. Almulhim Mohammed Ahmed Alomair Abdullah Mohammed Alomair |
| author_facet | Umer Daraz Fatimah A. Almulhim Mohammed Ahmed Alomair Abdullah Mohammed Alomair |
| author_sort | Umer Daraz |
| collection | DOAJ |
| description | This paper introduces an enhanced class of ratio estimators, which employ the transformation technique on an auxiliary variable under simple random sampling to estimate the population median. The transformation strategy can reduce both the bias and mean square error, which can help estimators become more efficient. The bias and mean square error of proposed estimators are investigated up to the first order of approximation. Through simulation studies and the analysis of various data sets, the performance of the proposed estimators is compared to existing methods. The proposed class of estimators improves the precision and efficiency of median estimation, ensuring more accurate and dependable results in various practical scenarios. The findings reveal that the new estimators show superior performance under the given conditions compared to traditional estimators. |
| format | Article |
| id | doaj-art-d3dca02478e543448046272659a89abd |
| institution | Kabale University |
| issn | 2227-7390 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Mathematics |
| spelling | doaj-art-d3dca02478e543448046272659a89abd2025-08-20T03:47:54ZengMDPI AGMathematics2227-73902025-05-011310166010.3390/math13101660Population Median Estimation Using Auxiliary Variables: A Simulation Study with Real Data Across Sample Sizes and ParametersUmer Daraz0Fatimah A. Almulhim1Mohammed Ahmed Alomair2Abdullah Mohammed Alomair3School of Mathematics and Statistics, Central South University, Changsha 410017, ChinaDepartment of Mathematical Sciences, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi ArabiaDepartment of Quantitative Methods, School of Business, King Faisal University, Al-Ahsa 31982, Saudi ArabiaDepartment of Quantitative Methods, School of Business, King Faisal University, Al-Ahsa 31982, Saudi ArabiaThis paper introduces an enhanced class of ratio estimators, which employ the transformation technique on an auxiliary variable under simple random sampling to estimate the population median. The transformation strategy can reduce both the bias and mean square error, which can help estimators become more efficient. The bias and mean square error of proposed estimators are investigated up to the first order of approximation. Through simulation studies and the analysis of various data sets, the performance of the proposed estimators is compared to existing methods. The proposed class of estimators improves the precision and efficiency of median estimation, ensuring more accurate and dependable results in various practical scenarios. The findings reveal that the new estimators show superior performance under the given conditions compared to traditional estimators.https://www.mdpi.com/2227-7390/13/10/1660auxiliary informationpopulation medianrobust and non-conventional measuressample sizesskewed distributionssimulation study |
| spellingShingle | Umer Daraz Fatimah A. Almulhim Mohammed Ahmed Alomair Abdullah Mohammed Alomair Population Median Estimation Using Auxiliary Variables: A Simulation Study with Real Data Across Sample Sizes and Parameters Mathematics auxiliary information population median robust and non-conventional measures sample sizes skewed distributions simulation study |
| title | Population Median Estimation Using Auxiliary Variables: A Simulation Study with Real Data Across Sample Sizes and Parameters |
| title_full | Population Median Estimation Using Auxiliary Variables: A Simulation Study with Real Data Across Sample Sizes and Parameters |
| title_fullStr | Population Median Estimation Using Auxiliary Variables: A Simulation Study with Real Data Across Sample Sizes and Parameters |
| title_full_unstemmed | Population Median Estimation Using Auxiliary Variables: A Simulation Study with Real Data Across Sample Sizes and Parameters |
| title_short | Population Median Estimation Using Auxiliary Variables: A Simulation Study with Real Data Across Sample Sizes and Parameters |
| title_sort | population median estimation using auxiliary variables a simulation study with real data across sample sizes and parameters |
| topic | auxiliary information population median robust and non-conventional measures sample sizes skewed distributions simulation study |
| url | https://www.mdpi.com/2227-7390/13/10/1660 |
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