<?xml version="1.0" encoding="UTF-8"?>
<article article-type="Research Article">
  <front>
    <journal-meta>
      <journal-id journal-id-type="publisher">journal-of-statistics-and-management-systems</journal-id>
      <journal-title-group>
        <journal-title> Journal of Statistics and Management Systems</journal-title>
      </journal-title-group>
      <issn publication-format="electronic">2169-0014</issn>
      <issn publication-format="print">0972-0510</issn>
      <publisher>
        <publisher-name>Taru Publications</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">10.47974/JSMS-1023</article-id>
      <title-group>
        <article-title>On the Poisson transmuted Ailamujia distribution with applications to dispersed and skewed count data</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name>
            <surname>Adetunji</surname>
            <given-names>Abiodun Ademola</given-names>
          </name>
          <aff>School of Mathematical Sciences, Universiti Sains Malaysia, Penang, Malaysia</aff>
          <aff>Department of Statistics, Federal Polytechnic, Ile-Oluji, Nigeria</aff>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>Sabri</surname>
            <given-names>Shamsul Rijal Muhammed</given-names>
          </name>
          <aff>School of Mathematical Sciences, Universiti Sains Malaysia, Penang, Malaysia</aff>
        </contrib>
      </contrib-group>
      <volume>26</volume>
      <issue>4</issue>
      <fpage>929</fpage>
      <lpage>943</lpage>
      <pub-date date-type="pub">
        <day>10</day>
        <month>08</month>
        <year>2023</year>
      </pub-date>
      <abstract>
        <p>Assuming classical Poisson distribution for skewed and dispersed count observations may be misleading since it assumes equality for mean and variance. A new count distribution suitable for modelling dispersed and skewed count observations is proposed in this paper. This is achieved by assuming transmuted Ailamujia distribution for the parameter of the Poisson distribution and used mixed Poisson distribution process to obtain a new distribution. Mathematical properties of the new distribution are obtained and some measures of dispersion are assessed by assuming different parameter combinations for the distribution. Using the MLE for parameter estimation, the performance of the new proposition is assessed on four referred dispersed count data. Results obtained show that the new proposition provide better fit for all the datasets considered.</p>
      </abstract>
      <kwd-group>
        <kwd>Ailamujia distribution</kwd>
        <kwd>Quadratic Transmutation</kwd>
        <kwd>Mixed Poisson distribution</kwd>
        <kwd>Maximum likelihood estimation</kwd>
      </kwd-group>
      <custom-meta-group>
        <custom-meta>
          <meta-name>access</meta-name>
          <meta-value>open</meta-value>
        </custom-meta>
        <custom-meta>
          <meta-name>retracted</meta-name>
          <meta-value>no</meta-value>
        </custom-meta>
      </custom-meta-group>
    </article-meta>
  </front>
</article>
