An Improved Class of Chain Ratio-Product Type Estimators in Two-Phase Sampling Using Two Auxiliary Variables

Table 1

Absolute Relative Bias (ARB) of different estimators of  𝑌.

Estimators	Population I	Population II
𝑦	0.0000	0.0000
𝑦^dc𝑅	0.0369	0.0042
𝑦^dc𝑃	0.0564	0.0513
𝑦^dcRe	0.0068	0.0079
𝑦^dcPe	0.0165	0.0198
𝑦^𝑑RP	0.0222	0.0008
𝑦^dcRPe	0.0058	0.0243