A Two-Parameter Ratio-Product-Ratio Estimator Using Auxiliary Information

Figure 1

Surface of “bias-free estimators” defined by (2.9) in the parameter space (𝛼,𝛽,𝐶)∈ℝ³. (b) Surface of “AOE parameters” defined by (3.4). The points of intersection of the two surfaces (see Section 5) are drawn as black curves.

(a)

(b)