Weibull-Normal Distribution and its Applications

In this paper, a Weibull-normal distribution, based on the standard quantile function of log-logistic distribution, is defined and studied. Some properties of the probability distribution are discussed. The Weibull-normal distribution is found to be unimodal or bimodal. The distribution can be right...

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Main Authors: Felix Famoye, Eno Akarawak, Matthew Ekum
Format: Article
Language:English
Published: Atlantis Press 2018-12-01
Series:Journal of Statistical Theory and Applications (JSTA)
Subjects:
Online Access:https://www.atlantis-press.com/article/125905583/view
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spelling doaj-7f3138a5324b4ec49c400b94799b28362020-11-25T01:17:23ZengAtlantis PressJournal of Statistical Theory and Applications (JSTA)1538-78872018-12-0117410.2991/jsta.2018.17.4.12Weibull-Normal Distribution and its ApplicationsFelix FamoyeEno AkarawakMatthew EkumIn this paper, a Weibull-normal distribution, based on the standard quantile function of log-logistic distribution, is defined and studied. Some properties of the probability distribution are discussed. The Weibull-normal distribution is found to be unimodal or bimodal. The distribution can be right skewed or left skewed. The method of maximum likelihood estimation is suggested to estimate the parameters of the distribution. Three numerical data sets are used to illustrate the applications of the Weibullnormal distribution.https://www.atlantis-press.com/article/125905583/viewT-R{Y}frameworkBimodalHazard functionEstimation
collection DOAJ
language English
format Article
sources DOAJ
author Felix Famoye
Eno Akarawak
Matthew Ekum
spellingShingle Felix Famoye
Eno Akarawak
Matthew Ekum
Weibull-Normal Distribution and its Applications
Journal of Statistical Theory and Applications (JSTA)
T-R{Y}framework
Bimodal
Hazard function
Estimation
author_facet Felix Famoye
Eno Akarawak
Matthew Ekum
author_sort Felix Famoye
title Weibull-Normal Distribution and its Applications
title_short Weibull-Normal Distribution and its Applications
title_full Weibull-Normal Distribution and its Applications
title_fullStr Weibull-Normal Distribution and its Applications
title_full_unstemmed Weibull-Normal Distribution and its Applications
title_sort weibull-normal distribution and its applications
publisher Atlantis Press
series Journal of Statistical Theory and Applications (JSTA)
issn 1538-7887
publishDate 2018-12-01
description In this paper, a Weibull-normal distribution, based on the standard quantile function of log-logistic distribution, is defined and studied. Some properties of the probability distribution are discussed. The Weibull-normal distribution is found to be unimodal or bimodal. The distribution can be right skewed or left skewed. The method of maximum likelihood estimation is suggested to estimate the parameters of the distribution. Three numerical data sets are used to illustrate the applications of the Weibullnormal distribution.
topic T-R{Y}framework
Bimodal
Hazard function
Estimation
url https://www.atlantis-press.com/article/125905583/view
work_keys_str_mv AT felixfamoye weibullnormaldistributionanditsapplications
AT enoakarawak weibullnormaldistributionanditsapplications
AT matthewekum weibullnormaldistributionanditsapplications
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