Browsing School of Pure and Applied Sciences by Author "Okungu, Jacob Oketch"
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Comparing Edgeworth Expansion and Saddlepoint Approximation in Assessing the Asymptotic Normality Behavior of A Non-Parametric Estimator for Finite Population Total
Okungu, Jacob Oketch; Orwa, George Otieno; Otieno, Romanus Odhiambo (EJ-MATH, European Journal of Mathematics and Statistics, 2023-01)Abstract — Sample surveys concern themselves with drawing inferences about the population based on sample statistics. We assess the asymptotic normality behavior of a proposed nonparametric estimator for finite a population ... -
Estimating a Finite Population Total using a Density Function
Jakperik, Dioggban; Otieno, Romanus Odhiambo; Okungu, Jacob Oketch (Eurasian Bulletin of Mathematics, 2021-05-02)An improved method for finite population total estimation is proposed using a multiplicative semi-parametric bias reduction density function. The density is first applied to estimate a non-parametric regression model which ...