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Probability Models with Discrete and Continuous Parts
《Open Journal of Statistics》2022年第1期82-97,共16页James E. Marengo David L. Farnsworth 
In mathematical statistics courses, students learn that the quadratic function is minimized when x is the mean of the random variable X, and that the graphs of this function for any two distributions of X are simply t...
关键词：Mixed-Type Distribution Function Riemann-Stieltjes Integration Median of a Random Variable Cantor Distribution 
Estimation of Population Variance Using the Coefficient of Kurtosis and Median of an Auxiliary Variable under Simple Random Sampling
《Open Journal of Statistics》2017年第6期944-955,共12页Tonui Kiplangat Milton Romanus Otieno Odhiambo George Otieno Orwa 
In this study we have proposed a modified ratio type estimator for population variance of the study variable y under simple random sampling without replacement making use of coefficient of kurtosis and median of an au...
关键词：Modified Ratio Type Variance Estimator Study VARIABLE AUXILIARY VARIABLE KURTOSIS MEDIAN Bias Mean Squared Error (MSE) PERCENTAGE Relative Efficiency (PRE) Simple Random Sampling 
Use of Pearson’s Chi-Square for Testing Equality of Percentile Profiles across Multiple Populations
《Open Journal of Statistics》2015年第5期412-420,共9页William D. Johnson Robbie A. Beyl Jeffrey H. Burton Callie M. Johnson Jacob E. Romer Lei Zhang 
In large sample studies where distributions may be skewed and not readily transformed to symmetry, it may be of greater interest to compare different distributions in terms of percentiles rather than means. For exampl...
关键词：Asymptotic CHI-SQUARE TEST EQUALITY of PERCENTILES Large Sample TEST MEDIAN TEST NONPARAMETRIC Methods 
Efficiency in the Further Education Sector in England
《Open Journal of Statistics》2012年第1期131-140,共10页Jill Johnes Steve Bradley Allan Little 
Further education in England is a diverse sector which typically provides education for the 16 - 19 age group. This study investigates efficiency levels by subject of study within further education (FE) colleges. Mean...
关键词：Data Envelopment Analysis EFFICIENCY Further EDUCATION SECTOR CLASSICAL MEDIAN Problem 
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