American Journal of Theoretical and Applied Statistics

Volume 9, Issue 5, September 2020

  • Estimation in Elusive Populations Using Multiple Frames and Two-Phase Multiple Frames in the Presence of Measurement and Response Errors

    Mutanu Beth, Kahiri James, Odongo Leo

    Issue: Volume 9, Issue 5, September 2020
    Pages: 173-184
    Received: 4 August 2020
    Accepted: 17 August 2020
    Published: 8 September 2020
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    Abstract: Accurate survey data is important for planning and decision making. The presence of measurement and response errors in surveys has been known to negatively affect the efficiency of estimates as well as to create biases in estimates. It is important to investigate the effects of measurement and response errors when computing survey data so as to obt... Show More
  • Suggested Statistical Models for Analysis Non-stationary Time Series and Sudden Changes with Application on Stock Exchange Indices

    Mostafa Ahmed Aly, Ahmed Fathy Abd Elaal Elwaqdy

    Issue: Volume 9, Issue 5, September 2020
    Pages: 185-200
    Received: 8 August 2020
    Accepted: 24 August 2020
    Published: 14 September 2020
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    Abstract: This study evaluates the performance of a group of GARCH models under three different distributions in terms of their ability to estimate and forecasting the volatility of Egyptian Stock Exchange General Index (EGX30) in some horizon of forecasting using daily data for the period from January 2, 2000 to April 30, 2019, and tries to determine the be... Show More
  • Application of Principal Component Analysis on Perceived Barriers to Youth Entrepreneurship

    Alice Constance Mensah, Joseph Dadzie

    Issue: Volume 9, Issue 5, September 2020
    Pages: 201-209
    Received: 20 August 2020
    Accepted: 5 September 2020
    Published: 21 September 2020
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    Abstract: Entrepreneurship is an imperative driving force for innovation in a country. Nevertheless, there is lack of systematic investigation in the area of barriers to entrepreneurship and its effects on the intentions of the youth becoming an entrepreneur. As a result, the primary objective of the study is to analyze perceived barriers to youth entreprene... Show More
  • The Impact of Electronic Clearing on Currency in Circulation in Mozambique

    Samuel Garicai Arone

    Issue: Volume 9, Issue 5, September 2020
    Pages: 210-218
    Received: 21 August 2020
    Accepted: 8 September 2020
    Published: 21 September 2020
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    Abstract: Similar to the experience of other countries, payment habits in Mozambique have been changing. Indeed, innovations in transaction technology such as electronic payments have revolutionized the payment landscape in the economies. Although, in general, cash has remained the dominant payment instrument, it is important to analyze the extent to which i... Show More
  • Comparative Study of GCV-MCP Hybrid Smoothing Methods for Predicting Time Series Observations

    Samuel Olorunfemi Adams, Yahaya Haruna Umar

    Issue: Volume 9, Issue 5, September 2020
    Pages: 219-227
    Received: 15 June 2020
    Accepted: 7 July 2020
    Published: 12 October 2020
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    Abstract: Generalized Cross Validation (GCV) has been considered a popular model for choosing the complexity of statistical models, it is also well known for its optimal properties. Mallow’s CP criterion (MCP) has been considered a powerful tool which is used to select smoothing parameters for spline estimates with non-Gaussian data. Most of the past works a... Show More
  • Strategies of Households Resilience in Adapting to Challenges in Turkana County

    Loice Yoda, Karanja Anthony, Pius Kihara

    Issue: Volume 9, Issue 5, September 2020
    Pages: 228-237
    Received: 28 August 2020
    Accepted: 22 September 2020
    Published: 12 October 2020
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    Abstract: Turkana County experiences re-occurring drought and conflict leading to an increased dependency ratio, injuries, both physical and emotional as well as displacement. This study, using Resilience Index Measurement, Analysis is to determine which factors have the capability to maximize resilience in livelihoods by minimizing the effect of the shock b... Show More
  • Arima Forecasting Model for Uganda’s Consumer Price Index

    Yeko Mwanga

    Issue: Volume 9, Issue 5, September 2020
    Pages: 238-244
    Received: 10 September 2020
    Accepted: 23 September 2020
    Published: 12 October 2020
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    Abstract: In Uganda, the Central Bank watches closely inflation which happens to be one of the key macroeconomic indicators for which the central bank rate is anchored on. Uganda Bureau of Statistics disseminates monthly Consumer Price Indices (CPIs) to the various stakeholders. Currently, the CPI is computed for eight urban centres spread across the country... Show More
  • Modeling Dependence Relationships of Anthropometric Variables Using Copula Approach

    Funmilayo Westnand Oshogboye Saporu, Isaac Esbond Gongsin

    Issue: Volume 9, Issue 5, September 2020
    Pages: 245-255
    Received: 3 September 2020
    Accepted: 21 September 2020
    Published: 22 October 2020
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    Abstract: Copula model is introduced in modeling the co-dependence structures of anthropometric variables-Body mass index (BMI), Abdominal circumference, Adiposity and Percent body fat-because it can capture monotonic dependence. Four copula-based Kumaraswamy-epsilon distributions are derived and used to determine the best fit to the anthropometric data, the... Show More
  • Modeling Burglar Incidents Data Using Generalized and Quasi Poisson Regression Models: A Case Study of Nairobi City County, Kenya

    Isaac Muchika, Antony Ngunyi, Thomas Mageto

    Issue: Volume 9, Issue 5, September 2020
    Pages: 256-262
    Received: 5 October 2020
    Accepted: 19 October 2020
    Published: 26 October 2020
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    Abstract: Serious violent crimes including Burglary, dangerous drug trafficking and sexual offenses make up the bulk of incidents filed at police stations daily. These crimes related activities poses a serious threat to the peace and serenity of a nation as far as safety is concerned. Burglar incidents data are often discrete and do not conform to the genera... Show More