American Journal of Theoretical and Applied Statistics

Volume 3, Issue 5, September 2014

  • A Statistical Analysis of Value of Imports in Nigeria

    Nwaigwe, Chrysogonus Chinagorom, Iwu Hycinth Chukwudi

    Issue: Volume 3, Issue 5, September 2014
    Pages: 117-124
    Received: Feb. 18, 2014
    Accepted: Aug. 07, 2014
    Published: Aug. 20, 2014
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    Abstract: The value of products imported into a country each year goes a long way to tell us how much the product is appreciated in the country. Some products form the major imports of some countries yearly. Previous studies have focused on the major determinants of imports in some countries, including Nigeria. In the present study, we used a regression app... Show More
  • Partially Neighbor Balanced Designs for Circular Blocks

    Naqvi Hamad

    Issue: Volume 3, Issue 5, September 2014
    Pages: 125-129
    Received: Jul. 16, 2014
    Accepted: Aug. 14, 2014
    Published: Aug. 30, 2014
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    Abstract: A partially neighbor balanced design is a design in which for any fixed treatment, other treatments occur as neighbor λi times. This paper generates infinite series of one-dimensional partially neighbor balanced designs for v = n treatments. The blocks used in these designs are considered circular. Designs given here are partially balanced in terms... Show More
  • Analysis of Indirect Human Influences and its Bad Impacts on Ecosystems of Natural Forest Resources (Sundarbans) in Bangladesh

    Awal, Mohd Abdul

    Issue: Volume 3, Issue 5, September 2014
    Pages: 130-140
    Received: Aug. 06, 2014
    Accepted: Aug. 18, 2014
    Published: Aug. 30, 2014
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    Abstract: Sundarbans plays a vital role for human survivability from cradle to grave including tangible and intangible benefits. The total forest area of Bangladesh is about 2.47 million ha, which accounts for about 18% of the total land area of the country, and which constitutes 0.15% of the world’s total tropical forests (Haque, 2000), although an estima... Show More
  • Investigation of Some Estimators Via Taylor Series Approach and an Application

    Tolga Zaman, Vedat Saglam, Murat Sagir, Erdinc Yucesoy, Mujgan Zobu

    Issue: Volume 3, Issue 5, September 2014
    Pages: 141-147
    Received: Sep. 01, 2014
    Accepted: Sep. 12, 2014
    Published: Sep. 20, 2014
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    Abstract: In this study, the use of taylor series method in the calculation of some means with single auxiliary variable developed in a simple random sampling and mean square error unit ratio estimators having certain properties was investigated. An application was performed in respect thereof. The study population (mass) included 111 secondary schools from ... Show More
  • New Criteria of Model Selection and Model Averaging in Linear Regression Models

    Magda Mohamed Mohamed Haggag

    Issue: Volume 3, Issue 5, September 2014
    Pages: 148-166
    Received: Sep. 04, 2014
    Accepted: Sep. 17, 2014
    Published: Oct. 20, 2014
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    Abstract: Model selection is an important part of any statistical analysis. Many tools are suggested for selecting the best model including frequentist and Bayesian perspectives. There is often a considerable uncertainty in the selection of a particular model to be the best approximating model. Model selection uncertainty arises when the data are used for bo... Show More