Concepedia
Statistics
Publications
9
Citations
172
H-Index
Active since
2021
Affiliations
Central South University(Current)
King Faisal University
University of Tabuk
King Saud University
Umer Daraz is an author at Central South University specializing in variance estimation, estimation theory, and natural sciences.
Publications per year
2021–2025
Estimation of variance of the difference-cum-ratio-type exponential estimator in simple random sampling
Umer Daraz, Mursala Khan · RMS Research in Mathematics & Statistics · 2021 · 28 citations · Full text
Natural Sciences, Mathematics, Probability Theory +10
New classes of difference cum-ratio-type exponential estimators for a finite population variance in stratified random sampling
Umer Daraz, Jinbiao Wu, Mohammed A. Al‐Omair et al. · Heliyon · 2024 · 24 citations · Full text
Natural Sciences, Biostatistics, Mathematics +17
Double Exponential Ratio Estimator of a Finite Population Variance under Extreme Values in Simple Random Sampling
Umer Daraz, Jinbiao Wu, Olayan Albalawi · Mathematics · 2024 · 22 citations · Full text
Natural Sciences, Biostatistics, Statistical Modeling +16
Dual Transformation of Auxiliary Variables by Using Outliers in Stratified Random Sampling
Mohammed Ahmed Alomair, Umer Daraz · Mathematics · 2024 · 22 citations · Full text
Variance Estimation under Some Transformation for Both Symmetric and Asymmetric Data
Umer Daraz, Mohammed Ahmed Alomair, Olayan Albalawi · Symmetry · 2024 · 18 citations · Full text
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