TY - BOOK AU - Yassmen Youssef Abdelall Mohammed AU - Elsayed Ahmed Elsherpieny , AU - Sahar Ahmed Niazy , TI - About the weighted non central chi-square distribution / PY - 2013/// CY - Cairo : PB - Yassmen Youssef Abdelall Mohammed , KW - The cumulative distribution function KW - The moment generating function KW - Weighted non-central chi-square distribution N1 - Thesis (Ph.D.) - Cairo University - Institute of Statistical Studies and Research - Department of Mathematical Statistics; Issued also as CD N2 - Weighted non-central chi-square distribution with ѵ degrees of freedom is the main topic in this thesis. It is an important distribution specially in manufacturing industry. In any production process, the manufacturers commonly use various indices, called capability indices, in order to measure the capability of a process to produce items meeting the quality requirement preset by the product designer ER -