American Journal of Theoretical and Applied Statistics

Archive

Volume 4, Issue 2, March 2015

  • The Statistical Distribution and Determinants of Mother’s Age at First Birth

    Logubayom Anuwoje Ida, Luguterah Albert

    Issue: Volume 4, Issue 2, March 2015
    Pages: 41-52
    Received: 14 January 2015
    Accepted: 6 February 2015
    Published: 16 February 2015
    DOI: 10.11648/j.ajtas.20150402.11
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    Abstract: The age at which child bearing begins, influences the number of children a woman bears throughout her reproductive period in the absence of any active fertility control. This study employed both parametric and non-parametric survival analysis techniques, with a cohort of women within the reproductive age (15-49 years), to determine the statistical ... Show More
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  • Optimal Replacement Age and Maintenance Cost: A Case Study

    Nayeema Sultana, Md. RezaulKarim

    Issue: Volume 4, Issue 2, March 2015
    Pages: 53-57
    Received: 21 February 2015
    Accepted: 4 March 2015
    Published: 14 March 2015
    DOI: 10.11648/j.ajtas.20150402.12
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    Abstract: Maintenance plays a very vital role throughout an equipment/system’s planned life-cycle. Maintenance costs contribute a major portion of the life cycle costs of an equipment or system. This paper analyzes a set of failure data of a particular type of battery that used in automobile and/or trailer and proposes the optimal maintenance age at which th... Show More
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  • Investigating of Turkey Champion Clubs’ Financial Performance Using Bootstrap and Jackknife Methods

    Tolga Zaman, Kamil Alakus, Hasan Bulut

    Issue: Volume 4, Issue 2, March 2015
    Pages: 58-63
    Received: 16 February 2015
    Accepted: 4 March 2015
    Published: 19 March 2015
    DOI: 10.11648/j.ajtas.20150402.13
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    Abstract: This study attempts to investigate using bootstrap and jackknife methods how accurate Turkey’s teams, being champion since super league was established, use their financial expenditure for the scores when they were consecutively in league between 2006-2007 and 2013-2014 seasons. In this context, the champion clubs’ financial performance values said... Show More
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  • Analysis of Fertility Pattern Through Mathematical Curves

    Brijesh P. Singh, Kushagra Gupta, K. K. Singh

    Issue: Volume 4, Issue 2, March 2015
    Pages: 64-70
    Received: 13 February 2015
    Accepted: 26 February 2015
    Published: 21 March 2015
    DOI: 10.11648/j.ajtas.20150402.14
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    Abstract: The age-specific fertility curves normalized by total fertility can be considered as the density of the age at childbearing distribution. Generally the shape of age specific fertility rate changes from convex to concave after it reaches its maximum value. Proportion bearing children before age 35 may be interpreted as tempo of fertility and rest ma... Show More
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