Marwa Abdullah Abdelghafar Ali <br/><br/>
On estimation of the burr XII  life time model based on grouped data /  
 حول تقدير نموذج بيير الثانى عشر للحياة اعتمادا على البيانات المبوبة 
Marwa Abdullah Abdelghafar Ali ; Supervised Abdallah A. Abdelghaly , Abdallah M. Abdelfattah 
 - Cairo :   Marwa Abdullah Abdelghafar Ali ,   2009 
 - 137P. ;   25cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Economics and Political Science - Department of Statistics 
<br/><br/> In lifetime data analysis there is a growing interest in developing statistical methods for analyzing grouped data this is because of that the individual data is not always available for empirical estimation but often grouped data can be obtained.In this the estimation problem for the unknown parameters of the Burr type XII distribution based on grouped data with equi and unequi-spaced grouping was considered 
<br/><br/>
<br/><br/><label>Subjects--Index Terms: </label>Burr type Xii distribution  Grouped data Maximum likelihood estimation