Research & Reviews : Journal of Statistics
Volume 6, Issue 3 (2017)
Published
Table of contents
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Black-Scholes and Binomial Option Pricing Model: A Comparative Analysis
Abstract: It is a well-known fact in the trading world that a portfolio is always exposed to price risk, which can occur anytime during the trading period, but the overall risk can be mitigated up to a certain level if a trader adopts relevant risk mitigation strategy before taking his/her position in the market. An option is one of the major derivative tools for hedging as well as risk management. There …
Published in Research & Reviews : Journal of Statistics · Vol. 6, Issue 3, 2017 · pp. 1–9 Read article
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Single-Server Queueing Model with Non-Homogeneous Compound Poisson Bulk Arrivals with Intervened Poisson Distribution
Abstract: Queuing models are used to analyse the practical situations in communication networks and transportation in a sophisticated manner. In most of the cases, the arrivals are time dependent and can be characterised by a non-homogenous Poisson process. In this paper, for the performance measures of a single-server queuing model with non-homogeneous compound Poisson bulk arrivals have been studied with intervened Poisson distribution. Sensitivity analysis has been carried out. It is …
Published in Research & Reviews : Journal of Statistics · Vol. 6, Issue 3, 2017 · pp. 10–21 Read article
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Marshall-Olkin Exponential Power Distribution and Applications
Abstract: We introduce a new distribution namely Marshall-Olkin Exponential Power Distribution and its properties were studied. The problem of estimation of parameters was considered and validated with respect to a real data on failure times. The stress-strength reliability analysis was also carried out. Average mean square error, Average confidence length, Coverage probability etc. were computed using simulated data. Using the proposed model we developed autoregressive processes with minification structure. Keywords: Marshall-Olkin …
Published in Research & Reviews : Journal of Statistics · Vol. 6, Issue 3, 2017 · pp. 22–33 Read article
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Fitting of Probability Distribution on the Pre-Monsoon Precipitation of Different Locations in Bangladesh
Abstract: In this study, different probability distributions have been fitted for the data of pre-monsoon precipitation for 17 different locations in Bangladesh over the period 1961–2014. It is found that for the pre-monsoon precipitation, the Gamma is the best-fitted distribution for the locations of Faridpur, Maijdi Court, Khulna, Barisal, Dhaka, Rangamati, Ishurdi, and Rangpur. Furthermore, the Weibull distribution is well fitted for the pre-monsoon precipitations of Chittagong, Comilla, Cox's Bazar, and …
Published in Research & Reviews : Journal of Statistics · Vol. 6, Issue 3, 2017 · pp. 34–47 Read article
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Knowledge, Attitude, Practice about Smoking and Its Associated Factors among Higher Secondary School Students in Kathmandu Metropolitan City
Abstract: Cigarette smoking is one of the chief preventable causes of death and illness in the world. Presently, millions of people die yearly due to smoking related diseases. The objective of the study was to find the prevalence, associated factors and knowledge, attitude and practice of smoking among higher secondary school students of the Kathmandu metropolitan city. A cross-sectional study among 445 higher secondary students of Grade XI and Grade XII …
Published in Research & Reviews : Journal of Statistics · Vol. 6, Issue 3, 2017 · pp. 48–55 Read article
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Poisson-hidden Markov Model for Overdispersed Time Series Count Data
Abstract: The fitting of Poisson hidden Markov model for overdispersed time series data is considered. The parameters of the model are estimated using numerical maximization of the likelihood and the sequence of hidden states are obtained based on the best fitted model. Pseudoresiduals obtained by the fitted model are also used along with AIC and BIC values to check the goodness of fit of the model.Keywords: Hidden Markov model, transition probability, …
Published in Research & Reviews : Journal of Statistics · Vol. 6, Issue 3, 2017 · pp. 56–61 Read article
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Statistical Analysis on Time Spent on Internet Use by College Students: A Case Study of Butwal SubMetropolitan City, Nepal
Abstract: This study aims to identify the factors associated with time spent on internet by bachelor level students under Tribhuvan University at Butwal sub-metropolitan city. This study is entirely based on primary data taken from five colleges selected purposively at Butwal Submetropolitan city of Rupandehi district. The sample of the study contains 514 students. Samples were taken by proportionate technique from each faculty from each selected college. Classes and students were …
Published in Research & Reviews : Journal of Statistics · Vol. 6, Issue 3, 2017 · pp. 62–72 Read article
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Wrapped Fernandez and Steel's Skewed Laplace Distribution and its Applications in Ornithology
Abstract: In this paper, we introduce a new circular distribution called Wrapped Fernandez and Steel's Skewed Laplace distribution. We obtain explicit form for the density and derive expressions for distribution function, characteristic function and trigonometric moments. Method of maximum likelihood estimation is used for estimation of parameters. The proposed model is also applied to two real life data sets in ornithology and its performance is compared with that of wrapped Laplace …
Published in Research & Reviews : Journal of Statistics · Vol. 6, Issue 3, 2017 · pp. 73–83 Read article