American Journal of Theoretical and Applied Statistics

Volume 7, Issue 2, March 2018

  • Optimal Allocation in Domains Mean Estimation Using Double Sampling with Non-Linear Cost Function in the Presence of Non-Response

    Alilah David Anekeya, Ouma Christopher Onyango, Nyongesa Kennedy

    Issue: Volume 7, Issue 2, March 2018
    Pages: 45-57
    Received: 13 December 2017
    Accepted: 5 January 2018
    Published: 12 February 2018
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    Abstract: Studies have been carried out on domain mean estimation using non-linear cost function. However little has been done on domain stratum estimation using non-linear cost function using ratio estimation in the presence of non-response. This study develops a method of optimal stratum sample size allocation in domain mean estimation using double samplin... Show More
  • Modeling Self Medication Risk Factors (A Case Study of Kiambu County, Kenya)

    Thomas Mageto, Allan Zablon

    Issue: Volume 7, Issue 2, March 2018
    Pages: 58-66
    Received: 15 January 2018
    Accepted: 29 January 2018
    Published: 27 February 2018
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    Abstract: In this paper self-medication risk factors are investigated and multivariate model proposed. A random sample of four major hospitals was selected, one from each sub-county and sample of 728 patients selected from selected hospitals using stratified random sampling. The data was collected using semi structured questionnaires and analyzed in R progra... Show More
  • Support Vector Regression and Artificial Neural Network Approaches: Case of Economic Growth in East Africa Community

    Abraham Kipkosgei Lagat, Anthony Gichuhi Waititu, Anthony Kibera Wanjoya

    Issue: Volume 7, Issue 2, March 2018
    Pages: 67-79
    Received: 1 September 2017
    Accepted: 18 September 2017
    Published: 16 March 2018
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    Abstract: There has been increased interest of late on the application of nonlinear methods to economic and financial data due to their robustness in handling large and complex data. With increasingly complex ‘big data’, focus has shifted into use of robust techniques in analysis of data. Various nonlinear approaches have so far been established including su... Show More
  • Pricing of a European Call Option Under a Local Volatility Interbank Offered Rate Model

    Winnie Mbusiro Chacha, Caroline Njenga, Wilson Mahera

    Issue: Volume 7, Issue 2, March 2018
    Pages: 80-84
    Received: 1 February 2018
    Accepted: 24 February 2018
    Published: 22 March 2018
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    Abstract: This research seeks to give insight on how advances in developed money markets can be reflected towards the establishment of derivatives markets in under developed and developing financial markets. The dynamics of the London interbank offered rate, for the developed financial market and the Kenyan interbank offered rate, for the developing financia... Show More
  • Employee’s Job Satisfaction and Supervisors Performance at Debre Berhan University

    Getahun Mulugeta

    Issue: Volume 7, Issue 2, March 2018
    Pages: 85-91
    Received: 5 March 2018
    Accepted: 14 March 2018
    Published: 22 March 2018
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    Abstract: In order to ensure the achievement of organization’s goals, it should create an atmosphere of commitment and cooperation for its employees through policies that facilitate employee satisfaction. The main objective of the study is identifying factors affecting employee’s job satisfaction and supervisor performance at Debre Berhan University. In orde... Show More