The interest of most process engineers in industries is usually to optimize the yield of their processes. Not until 1951, imprecise methodologies were used in industries for this purpose. However, in 1951, G. E. P. Box and K. B. Wilson invented the technique of Response Surface M...
Open access
Research Article10.9734/ajpas/2020/v8i230201
This paper is geared towards implementation of Black-Scholes equation in valuation of European call option and predicting market prices for option traders. First, we explained how Black-Scholes equation can be used to estimate option prices and then we also estimated the BS prici...
Open access
Research Article10.9734/ajpas/2020/v8i230202
Aims: To model exchange rate values between Naira and US Dollar in order to assess the effect of the COVID-19 pandemic period on the rate by examining the forecasts. Study Design: The study design is the longitudinal research design. Place and Duration of Study: Real life data of...
Open access
Research Article10.9734/ajpas/2020/v8i130200
In this paper, a study on second order slope rotatable designs under intra-class correlation structure of errors using pairwise balanced designs is suggested. Further, the variance function of the estimated slopes for different values of intra-class correlated coefficient ‘ ’ for...
Open access
Research Article10.9734/ajpas/2020/v8i130199
In this research, Emden-Fowler equations of higher order with boundary conditions are considered and solved using Modied Adomian Decomposition Method (MADM). We dened a new differential operator under two conditions: rst condition when m ≤ 0 and second condition when m ≥ 0. From...
Open access
Research Article10.9734/ajpas/2020/v8i130195
This paper suggested a new two parameter distribution named as Hamza distribution. A detailed description about the properties of a suggested distribution including moments, moment generating function, deviations about mean and median, stochastic orderings, Bonferroni and Lorenz...
Open access
Research Article10.9734/ajpas/2020/v8i130198
Aims: Introduce two new test statistics in testing for the nondecreasing alternative in a mixed design consisting of a Completely Randomized Portion and a Randomized Complete Block Portion. Study Design: Simulation study comparing four test statistics for the nondecreasing altern...
Open access
Research Article10.9734/ajpas/2020/v7i430193
This study looks at the effects of replication on prediction variance performances of inscribe central composite design especially those without replication on the factorial and axial portion (ICCD1), inscribe central composite design with replicated axial portion (ICCD2) and ins...
Open access
Research Article10.9734/ajpas/2020/v8i130194
Researchers always appreciates estimators of finite population quantities, especially mean, with maximum efficiency for reaching to valid statistical inference. Apart from ratio, product and regression estimators, exponential estimators are widely considered by survey statistici...
Open access
Research Article10.9734/ajpas/2020/v7i430192
This article presents a comprehensive study of an odd Lindley-Gompertz distribution which has already been proposed in the literature but without any properties. The present study unlike the previous one has considered the derivation of several properties of the odd Lindley-Gompe...
Open access
Research Article10.9734/ajpas/2020/v7i430191