On Some Properties of the Ratio Estimators Under Size Stratification and Estimation Inuni - Stage Successive Sampling

An Admissible Estimator for The Variance of A Finite Population

Precision of Design Effect in Cluster Sampling

Covariance Matrix Estimation in Complex Surveys

Alternative Estimators for Stratified Random Sampling

An Asymptotic Variance Formula for Sampling Without Replacement with Unequal Probabilities

An Approximation for the Sampling Distribution of an Estimate Arising in Life Testing

Estimation of the Constant Measurement Error of a Stable Random Field

Two New Estimators for a Normal Coefficient of Variation based on Ranked Set Sampling

Some Estimation Properties of the Random Coefficients Regression