TWO-CLASSES FOR REGRESSION TYPE OF ESTIMATORS FOR THE RATIO OF TWO POPULATION MEANS IN TWO-PHASE SAMPLING IN THE PRESENCE OF NON-RESPONSE FOR STRATIFIED POPULATION

A NEW EXPONENTIAL TYPE RATIO ESTIMATOR FOR THE POPULATION MEAN IN SYSTEMATIC SAMPLING

LEVERAGING AUXILIARY VARIABLES: ADVANCING MEAN ESTIMATION THROUGH CONDITIONAL AND UNCONDITIONAL POST-STRATIFICATION

NEW MEDIAN BASED ALMOST UNBIASED EXPONENTIAL TYPE RATIO ESTIMATORS IN THE ABSENCE OF AUXILIARY VARIABLE

RATIO ESTIMATOR OF POPULATION MEAN USING A NEW LINEAR COMBINATION UNDER RANKED SET SAMPLING

THE EFFICIENCY OF ESTIMATING A POPULATION AVERAGE USING INDEX-TYPE ESTIMATORS IN SEQUENTIAL SAMPLING

ESTIMATING POPULATION MEAN USING RATIO ESTIMATOR FOR MEAN IS LESS THAN VARIANCE IN SIMPLE RANDOM SAMPLING

GENERALISED EXPONENTIAL RATIO-CUM-PRODUCT ESTIMATOR FOR ESTIMATING POPULATION VARIANCE IN SIMPLE RANDOM SAMPLING

AN IMPROVED DIFFERENCE CUM – EXPONENTIAL RATIO TYPE ESTIMATOR IN RANKED SET SAMPLING

DUAL EXPONENTIAL RATIO ESTIMATOR IN PRESENCE OF NON-RESPONSE