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- Institute for Research in Fundamental SciencesIR51 papers
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5 papers · 2 filters
Normal Power Series Class of Distributions: Model, Properties and Applications
Eisa Mahmoudi, Hamed Mahmoodian
A new class of distributions, called as normal power series (NPS), which contains the normal one as a particular case, is introduced in this paper. This new class which is obtained…
Gompertz - Power Series Distributions
Ali Akbar Jafari, Saeid Tahmasebi
In this paper, we introduce the Gompertz power series class of distributions which is obtained by compounding Gompertz and power series distributions. This distribution contains se…
Comparison of some Different Methods for Hypothesis Test of Means of Log-normal Populations
Saba Aghadoust, Kamel Abdollahnezhad, Farhad Yaghmaei +1
The log-normal distribution is used to describe the positive data, that it has skewed distribution with small mean and large variance. This distribution has application in many sci…
On Bivariate Exponentiated Extended Weibull Family of Distributions
Rasool Roozegar, Ali Akbar Jafari
In this paper, we introduce a new class of bivariate distributions called the bivariate exponentiated extended Weibull distributions. The model introduced here is of Marshall-Olkin…
The McDonald Gompertz Distribution: Properties and Applications
Rasool Roozegar, Saeid Tahmasebi, Ali Akbar Jafari
This paper introduces a five-parameter lifetime model with increasing, decreasing, upside -down bathtub and bathtub shaped failure rate called as the McDonald Gompertz (McG) distri…