TY - BOOK AU - Mohamed Shaaban Abbas Abdelhay AU - Ahmed Ameen Elsheikh , AU - Samir Kamel Ashour , TI - Quqntile mixtures via L- moments and trimmed L- moments / PY - 2009/// CY - Cairo : PB - Mohamed Shaaban Abbas Abdelhayb , KW - Approximate quantile function KW - Normal distribution KW - Quqntile mixtures N1 - Thesis (M.Sc.) - Cairo University - Institute of Statistical Studies and Research - Department of Mathematical Statistics; Issued also as CD N2 - A new quantile mixture is suggested as a generalization of the normal - polynomial quantile mixture that defined by Karvanen (2006). A new approximate from for the standard normal quantile function is introduced. Approximate L - moments for the standard normal distribution are introduced as well as approximate L - moments, TL- moments and LQ - moments for approximate normal quantile mixtures ER -