[HTML][HTML] Methodological insights for industrial quality control management: The impact of various estimators of the standard deviation on the process capability index

E Álvarez, PJ Moya-Férnandez… - Journal of King Saud …, 2015 - Elsevier
Statistical quality control (SQC) is used by companies and industries for many reasons. For
example, the process capability of machines is an important aspect of SQC, which consists …

[HTML][HTML] Optimal dimension and optimal auxiliary vector to construct calibration estimators of the distribution function

S Martínez, M Rueda, H Martínez, A Arcos - Journal of Computational and …, 2017 - Elsevier
The calibration technique (Deville and Särndal, 1992) to estimate the finite distribution
function has been studied in several papers. Calibration seeks for new weights close …

Improved ratio type estimators of population mean based on median of a study variable and an auxiliary variable

M Irfan, M Javed, M Abid, Z Lin - Hacettepe Journal of Mathematics …, 2018 - dergipark.org.tr
This paper deals with efficient ratio type estimators for estimating finite population mean
under simple random sampling scheme by using the knowledge of known median of a study …

Estimation of the lot fraction defective in a finite lot of products with auxiliary quality characteristics

JF Muñoz-Rosas, FJ Blanco-Encomienda… - Quality …, 2024 - Taylor & Francis
Many companies use sampling plans for the acceptance or rejection of lots of products. The
final outcome of this decision-making process is based on the inspection of a sample of …

Statistical inferences for missing response problems based on modified empirical likelihood

S Sharghi, K Stoll, W Ning - Statistical Papers, 2024 - Springer
In this paper, we advance the application of empirical likelihood (EL) for missing response
problems. Inspired by remedies for the shortcomings of EL for parameter hypothesis testing …

Efficient ratio-type estimators of finite population mean based on correlation coefficient

M Irfan, M Javed, Z Lin - Scientia Iranica, 2018 - scientiairanica.sharif.edu
We proposed efficient families of ratio-type estimators to estimate finite population mean
using known correlation coefficient between study variable and auxiliary variable by …

Scale effects in survey estimates of proportions and quantiles of per unit area attributes

S Magnussen, D Mandallaz, A Lanz, C Ginzler… - Forest Ecology and …, 2016 - Elsevier
Quantiles and proportions in a sampling distribution of a per unit area attribute (Y) depend
on the spatial support (area) of employed survey plots. This is a nuisance for managers, and …

On distribution function under two-phase stratified sampling using two auxiliary variables for mean estimation

J Shabbir, Z Iqbal, S Gupta - Communications in Statistics …, 2023 - Taylor & Francis
We suggest a new class of difference-type estimators under two-phase stratified sampling
when using information from two auxiliary variables including their distribution functions. The …

On use of subsampling of the non-respondents for estimation of distribution function

J Shabbir, S Gupta - Scientia Iranica, 2021 - scientiairanica.sharif.edu
In this study, we propose a general class of estimators of the finite population distribution
function (DF) using two auxiliary variables under subsampling of non-respondents. We use …