JOURNAL OF ISLAMIC COUNTRIES SOCIETY OF STATISTICAL SCIENCES

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ISSN 2313-7800

 JOURNAL OF ISLAMIC
 COUNTRIES SOCIETY OF
 STATISTICAL SCIENCES

Volume 6                  Number 2                      2020

           Chief Editor: Dr. Muhammad Hanif, Pakistan
JOURNAL OF ISLAMIC COUNTRIES SOCIETY OF STATISTICAL SCIENCES
                        International Editorial Board (2015-2019)
                         Chief Editor: Dr. Muhammad Hanif, Pakistan
                                Editor: Dr. Shahjahan Khan, Australia
                      Executive Editor: Dr. Alia Ahmed, Pakistan
EDITORIAL BOARD:
 • Dr. A.R. Chaudhary, National College of Business Administration & Economics, Pakistan
 • Dr. M. Kalim, National College of Business Administration & Economics, Pakistan
 • Dr. Zafar Iqbal, Govt. College Satellite Town, Gujranwala, Pakistan.
 • Dr. M. Abdul Majid Makki, The Islamia University of Bahawalpur, Pakistan
 • Dr. Faisal Qadeer, Lahore Business School, The University of Lahore, Pakistan
 • Dr. Abdus Saboor, Kohat University, Kohat, Pakistan
 • Dr. Azeem Ali, Govt. College University, Lahore, Pakistan
 • Dr. Shahid Mubeen, University of Sargodha, Pakistan
 • Dr. Zahoor Ahmad, University of Southampton, UK
 • Dr. M. Inam Khokhar, 5041 Silver Saddle Court, Deeblin, 044 3016, USA
 • Dr. Jin-Ting Zhang, National University of Singapore, Singapore
 • Dr. Shahram Gilaninia, Azad University – Rasht, Iran
 • Dr. Alya O. Al-Mutairi, Taibah University, Saudi Arabia
 • Prof. Dr. Valentine Udoh James, Clarion University of Pennsylvania Clarion, USA
 • Dr. Nidal Rashid Sabri, Birzeit University, Palestine
 • Dr. A. Ahmad, University of Kashmir, Srinagar, India
 • Dr. Afaq Ahmad, University of Kashmir Srinagar, India
 • Dr. Ahsan Habib, Modern College of Business and Science, Muscat, Oman
 • Dr. Kuen-Suan Chen, National Chin-Yi University of Technology, Taiwan
 • Dr. Derek Watson, University of Sunderland, Sunderland, UK
 • Prof. Dr. Abdul Ghapor Hussin, National Defense University of Malaysia. Malaysia
 • Dr. Emma E.O. Chukwuemeka, Nnamdi Azikiwe University, Awka, Nigeria
 • Prof. (Dr). Badar Alam Iqbal, Aligarh Muslim University, India
 • Dr. Malefetsane Alphons Mofolo, Walter Sisulu University, UK
 • Dr. Víctor Leiva, Universidad de Valparaiso, Chile
 • Dr. Anis Mahomed Karodia, Regent Business School, Durban, South Africa
 • Dr. Abdel-Salam Gomaa, Qatar University, Doha, Qatar
 • Dr. Zahida Habib, University of Education, Lahore, Pakistan
MANAGING EDITORS:
 • Dr. M. Khyzer Bin Dost, Research Associate, ISOSS, Pakistan
 • Dr. M. Wasim Akram, Universiti Teknologi, Malaysia

Copyright and Photocopy: © 2018 Journal of Islamic Countries Society of Statistical Sciences.
All rights reserved. No part of this publication may be reproduced or transmitted in any form or by
any means without the prior permission in writing from the copy right holder. Request should be
addressed to Chief Editor / Editor, Journal of Islamic Countries Society of Statistical Sciences.
Publisher: The journal is published bi-annual by ISOSS Publications, Lahore, (Pakistan).
Address: 44-A Civic Centre, Sabzazar Scheme, Multan Road, Lahore (Pakistan).
           Tel: +92-42-37495789, +92-336-0692687, Email: joi@isoss.net URL: www.joi.iosss.net
ISSN: 2313-7800

          JOURNAL OF ISLAMIC COUNTRIES SOCIETY
                OF STATISTICAL SCIENCES

    Volume 6                         Number 2                              2020

                                   CONTENTS

Investigating mediation effect of customer satisfaction in the relationship
between trust and commitment to customer loyalty
    Fahad Iqbal, Abdul Aziz Khan Niazi, Tehmina Fiaz Qazi & Abdul Basit …            1

Factors Determining the Power of a Statistical Test for the Difference
between means and Proportions
                                                                Elsayir, H. A. …    16

Identification of factors behind academic performance: a case study of
university of Gujrat students
              Maryam Bibi, Zaheer Abbas, Erum Shahzadi and Jawaria Kiran …          29

Encryption of Big Data via Z-DNA to Analysis of B-DNA through Neuron
Processor
                                                             Naila Rozi …           40

Rationalization of statistical cadre in public sector organizations of Pakistan
                            Syed Wasim Abbas, Sajid Rasul and Munir Ahmad …         45
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   1. Bahadur, R.R. (1967). Rates of convergence of estimates and test statistics. Ann. Math. Statist., 38,
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   2. Brewer, K.R.W. and Hanif, Muhammad (1983). Sampling with Unequal Probabilities. Springer
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SUBSCRIPTIONS: For mail order and subscriptions, write to joi@isoss.net
Journal of Islamic Countries Society of Statistical Sciences
       44-A Civic Centre, Sabzazar Scheme, Multan Road
                       Lahore (Pakistan)
Tel: +92-42-37495789, +92-336-0692687, URL: www.joi.isoss.net
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