EKB Journal Management System
1.

Estimation of the Mixed Gamma Distributions Parameters Based on Censored Life test Data

Pages 1-16
E.M Shoukry; Abd-Elghani M. M.
2.

Distribution of Two-Sample Two-Stage Least Squares Estimator and its Asymptotic Expansion

Pages 16-48
G.A. Ghazal
3.

Maximum Likelihood Estimation for the Three Parameter Weibull Distribution Based on Multi Stage Left and Right Progressive Censored Samples

Pages 49-57
S. A. Salem
4.

The K-Order New Better than Average Failure Rate Model

Pages 58-68
Abdul-Hadi N. Ahmed
5.

Maximum Likelihood and Modified Maximum Likelihood Estimates of Linear Models with Errors Following Auto Regressive Process

Pages 69-82
Heba F. El-Laithy
6.

Bounds for Risk in Investment Portfolio Selection

Pages 83-92
M. El-Habashi; H. I. Hamdy
7.

Estimation from Accelerated Life Testing Using Interval Data

Pages 93-109
O.A. Shalaby
8.

Two Approaches Based on the Structural Model to Inference on the Generalized Gamma Parameters

Pages 110-129
M.S Maswadah
9.

Covariance Matrix Estimation in Complex Surveys

Pages 130-138
Muhammad Khalid Pervaiz
10.

Some Alternative Techniques for Improvements over Ordinary Least Squares: An Application of Biased Regression Estimators

Pages 139-163
Mohamed A.S.A. Enany