Journal Description

Pakistan Journal of Statistics and Operation Research started in 2005 with the aim to promote and share scientific developments in the subject of statistics and its allied fields. Initially, PJSOR was a bi-annually double-blinded peer-reviewed publication containing articles about Statistics, Data Analysis, Teaching Methods, Operational Research, Actuarial Statistics, and application of statistical methods in a variety of disciplines. Because of the increasing submission rate, the editorial board of PJSOR decided to publish it on a quarterly basis from 2012. Brief chronicles are overseen by an Editorial Board comprised of academicians and scholars. We welcome you to submit your research for possible publication in PJSOR through our online submission system. Publication in PJSOR is absolutely free of charge.
ISSN : 1816 2711   |   E- ISSN : 2220 5810


Call for Papers

Nov 19, 2021


Papers are invited for submission to PJSOR: Pakistan Journal of Statistics and Operation Research. PJSOR is a peer-reviewed journal, published four times a year. PJSOR publishes refereed research articles and studies that describe the latest research and developments in the area of statistics, operation research and actuarial statistics.

PJSOR will publish papers describing recent research advances. The papers will be electronically available as soon as they are ready for publication, and freely accessible to all. They subsequently will appear in the paper version of the journal. Publication is free of charge, and each author will receive a free copy of the issue of the journal in which the paper is published.

Articles will be evaluated anonymously by at least two reviewers. The Editorial Board will make final decisions regarding acceptance or rejection of articles after reviews have been received, and at least a month after receipt of the manuscript. Authors submitting manuscripts should submit articles through PJSOR website ( by registering with PJSOR.

You are also encouraged to register your name in the reviewer database for Pakistan Journal of Statistics and Operation Research by visiting . This does not entail any form of commitment on your part, but simply enables us to approach you with a submission to possibly review. On being invited to review, you will have an opportunity to see the title and abstract of the paper, and you'll always be in a position to accept or decline the review invitation. You can also ask at any point to have your name removed from this reviewer list.

Note: If you already registered with PJSOR, use your login and password and follow the instructions of online submission.

Topics of interest for publication in PJSOR include:

If you have any query feel free to contact us at (;

Vol. 17 No. 4, 2021

Published: Dec 3, 2021

On The Burr XII-Gamma Distribution: Development, Properties, Characterizations and Applications

Burr XII Gamma Distribution

771-789 Fiaz Ahmad Bhatti, Gauss, Korkmaz, Hamedani

An Interpretation of Non-Preemptive Priority Fuzzy Queuing Model with Asymmetrical Service Rates

791-797 Usha Prameela Karupothu, Richard Wurmbrand, R P S Jayakar

A New Skewed Discrete Model: Properties, Inference, and Applications

A New Skewed Discrete Model

799-816 Ahmed Z. Afify, Mahmoud Elmorshedy, M. S. Eliwa

Fuzzy solution of fully fuzzy multi-objective linear fractional programming problems

817-825 Ganesan Kandasamy, T. Loganathan

The The Topp Leone-G Power Series Class of Distributions with Applications

Top-Leone-G Power Series Class of Distributions

827-846 Fastel Chipepa, Boikanyo Makubate, Broderick Oluyede, Kethamile Rannona

Characterizations of Twenty (2020-2021) Proposed Discrete Distributions

847-884 G.G. Hamedani, Mahrokh Najaf, Amin Roshani, Nadeem Shafique Butt

Type II Exponentiated Half-Logistic-Topp-Leone-G Power Series Class of Distributions with Applications

Type II Exponentiated Half-Logistic-Topp-Leone-G Power Series

885-909 Thatayaone Moakofi, Broderick Oluyede, Fastel Chipepa

Some Improved Estimators of Population Mean using Two-Phase Sampling Scheme in the Presence of Non-Response

911-919 Manoj Kumar Chaudhary, Amit Kumar, Gautam K. Vishwakarma

The Discrete Type-II Half-Logistic Exponential Distribution with Applications to COVID-19 Data

921-932 Muhammad Ahsan ul Haq, Ayesha Babar, Sharqa Hashmi, Abdulaziz S. Alghamdi, Ahmed Z. Afify

A Proposed Methodology for Modelling the Solvency of a National Pension Scheme

933-942 Louis Asiedu, Felix O. Mettle, Emmanuel K. Aidoo, Stella D. Lawerh

A Novel Generator of Continuous Probability Distributions for the Asymmetric Left-skewed Bimodal Real-life Data with Properties and Copulas

943-961 Wahid A. M. Shehata , Haitham Yousof, Mohamed Aboraya

Some Model Assisted Estimators Using Functional Form Calibration Approach

963-970 Naila Alam, Muhammad Hanif

On Smoothed MWSD Estimation of Mixing Proportion

971-982 Satish Konda, Mehra, K.L., Ramakrishnaiah Y.S.

Calculating Fuzzy Inverse Matrix Using Linear Programming Problem: An Improved Approach

983-996 Fatemeh Babakordi, Nemat Allah Taghi-Nezhad

The Redescending M estimator For detection and deletion of Outliers in Regression analysis

997-1014 Stella Anekwe, Sidney Onyeagu

A New Extreme Value Model with Different Copula, Statistical Properties and Applications

1015-1035 Hanaa Elgohari, Haitham M. Yousof

A Two Parameters Rani Distribution: Estimation and Tests for Right Censoring Data with an Application

1037-1049 Amer Ibrahim Al-Omari, Khaoula Aidi, Nacira Seddik-Ameur

A new Mean Deviation and Advanced Mean Deviation Techniques to Solve Multi-Objective Fractional Programming Problem Via Point-Slopes Formula

1051-1064 Rebaz Mustafa, Nejmaddin A. Sulaiman

Estimation for Flexible Weibull Extension-Burr XII Distribution under Adaptive Type-II Progressive Censoring Scheme

1065-1094 Rania M. Kamal, Moshira A. Ismail

The McDonald Lindley-Poisson Distribution

1095-1112 Ana Percontini, Frank Gomes-Silva, Ronaldo V. da Silva, Laba Handique, Pedro Rafael Diniz Marinho

A Modified Chi-square Type Test for Distributional Validity with Applications to Right Censored Reliability and Medical Data

A Modified Chi-square Type Test

1113-1121 Haitham M. Yousof, Abdullah H. Al-nefaie, Khaoula Aidi, M. Masoom Ali, Mohamed ibrahim Mohamed
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