Open Access
Research Article·pp. 1243–1259·Vol. 27, Issue 7Oct 2024
Boikanyo Makubate, Fastel Chipepa, Broderick Oluyede, Gaoganwe Moagi
Published Online: 30 Nov 2024DOI: 10.47974/JSMS-854 In this paper: A new generalization of the exponentiated half-logistic-G distribution is developed to produce a new family of distributions referred to as the Marshall-Olkin-exponentiated half logistic-G distributio...
Open Access
Research Article·pp. 1261–1275·Vol. 27, Issue 7Oct 2024
Mohammed S. Kotb, Yahia Abdel-Aty
Published Online: 30 Nov 2024DOI: 10.47974/JSMS-1014 In this paper: In this article, Bayesian predictions (point and interval) for a certain class of exponential-type distributions based on a general multiply Type-II censored sample are discussed. The Bayesian predict...
Open Access
Research Article·pp. 1277–1299·Vol. 27, Issue 7Oct 2024
Liban Ismail, Hacène Djellout, Cédric Chauvière
Published Online: 30 Nov 2024DOI: 10.47974/JSMS-1019 In this paper: This paper is devoted to analyze the sensitivity of input parameters (basic reproduction number, cure rate, hospitalization rate) on the evolution of the SIHR epidemiological model. Lagrange polynomia...
Open Access
Research Article·pp. 1301–1315·Vol. 27, Issue 7Oct 2024
Ramin Kazemi, Sedigheh Zamani Mehreyan
Published Online: 30 Nov 2024DOI: 10.47974/JSMS-1021 In this paper: The goal of this paper is to design and compare the simple constant and step stress accelerated life tests (CSALTs and SSALTs) for the Weibull-half-logistic failure data based on progressive Type I ce...
Open Access
Research Article·pp. 1317–1333·Vol. 27, Issue 7Oct 2024
G. C. Ibeh, J. I. Mbegbu
Published Online: 30 Nov 2024DOI: 10.47974/JSMS-1029 In this paper: Here, we have introduced a novel probability distribution called the Weibull-Generalized inverted exponential{Log-logistic} distribution (WGIELLD) adopting the Transformed-Transformer method. The dens...
Open Access
Research Article·pp. 1335–1342·Vol. 27, Issue 7Oct 2024
Hadi Alizadeh Noughabi, Mohammad Shafaei Noughabi
Published Online: 30 Nov 2024DOI: 10.47974/JSMS-1113 In this paper: Recently, Ozen et al. [6] proposed the nonparametric bootstrap method for estimating the variance of sample median and showed that this method has better efficiency for symmetric or right skewed distr...
Open Access
Research Article·pp. 1343–1356·Vol. 27, Issue 7Oct 2024
Chung-Ho Chen, Tzu-Hsien Lee
Published Online: 30 Nov 2024DOI: 10.47974/JSMS-1193 In this paper: This study considers the modified Shin et. al.’s [14] model with process control and tolerance. In the first phase, the process parameters setting model considers Taguchi’s quadratic quality loss and...
Open Access
Research Article·pp. 1357–1366·Vol. 27, Issue 7Oct 2024
Muhammad Aslam, Aamir Saghir, Mohammad Saber Fallahnezhad
Published Online: 30 Nov 2024DOI: 10.47974/JSMS-1202 In this paper: This paper offers a critical assessment of the book review authored by Woodall [1]. Woodall [1] conducted a review of the book titled “Introduction to Statistical Process Control.” His critique primar...
Open Access
Research Article·pp. 1367–1380·Vol. 27, Issue 7Oct 2024
Xi Chen
Published Online: 30 Nov 2024DOI: 10.47974/JSMS-1205 In this paper: In the past, gambling-related issues have been noticeably discussed in countries worldwide and other places that have also held gambling referendums. This exciting finding which is for example like th...
Open Access
Research Article·pp. 1381–1391·Vol. 27, Issue 7Oct 2024
Lee Yong Xin, Chin Wen Cheong, Gloria Teng Ai Hui, Lim Min
Published Online: 30 Nov 2024DOI: 10.47974/JSMS-1214 In this paper: This paper utilizes the Support Vector Regression (SVR) and Artificial Neural Network (ANN) integrated with a GARCH model in analyzing volatility within the gold market. We used the root of mean squar...
Open Access
Research Article·pp. 1393–1412·Vol. 27, Issue 7Oct 2024
Manish Mishra, B. B. Khare, Sachin Singh
Published Online: 30 Nov 2024DOI: 10.47974/JSMS-1217 In this paper: This paper introduce two distinct classes of estimators to calculate the ratio between two population means by utilizing the knowledge of two-phase sampling with in the stratified population, particul...
Open Access
Research Article·pp. 1413–1431·Vol. 27, Issue 7Oct 2024
Poonam Singh, Rajesh Singh
Published Online: 30 Nov 2024DOI: 10.47974/JSMS-1224 In this paper: This article suggests three generalized exponential estimators using an auxiliary variable for estimating population mean with some transformations. The mean squared error expressions are derived up t...
Open Access
Research Article·pp. 1433–1451·Vol. 27, Issue 7Oct 2024
O. D. Adubisi, A. Abdulkadir, H. Chiroma
Published Online: 30 Nov 2024DOI: 10.47974/JSMS-1226 In this paper: In the paper, we looked at the problem of employing several non-Bayesian estimation approaches to estimate the parameters of the Type-I half-logistic skew-t (TIHLST) model. The maximum likelihood, lea...
Open Access
Research Article·pp. 1453–1472·Vol. 27, Issue 7Oct 2024
Jiang Yuhan, Yin Deru, Fan Suze, Chin Wen Cheong, Lim Min
Published Online: 30 Nov 2024DOI: 10.47974/JSMS-1232 In this paper: This study seeks to assess the influence of the COVID-19 pandemic on market risk in two global financial stock markets. Employing four value-at-risk methodologies, we analyze and compare market risks...
Open Access
Research Article·pp. 1473–1497·Vol. 27, Issue 7Oct 2024
Salifu Nanga, Suleman Nasiru, Jakperik Dioggban
Published Online: 30 Nov 2024DOI: 10.47974/JSMS-1237 In this paper: The Secant Topp-Leone (STL) generator, which is developed by combining the TL and secant distribution families, is discussed in this paper. We address various statistical characteristics of this new f...
