Fig. 1
From: Innovative memory-type calibration estimators for better survey accuracy in stratified sampling

MSE of stratified and proposed calibrated ratio estimators at λ = 0.1 and ρ = 0.05.
From: Innovative memory-type calibration estimators for better survey accuracy in stratified sampling
MSE of stratified and proposed calibrated ratio estimators at λ = 0.1 and ρ = 0.05.