A Study on the Chain Ratio-Type Estimator of Finite Population Variance

Table 1

The MSE and PRE of the different estimators with respect to 𝑡₀.

Estimators	MSE	PRE
𝑡0	0.1267	100
𝑡1	0.1241	103
𝑡^∗1	0.1251	101
𝑡2(opt)	0.0586	217
𝑡^∗2(opt)	0.0859	147
𝑡3	0.0543	233
𝑡4	0.0479	265
𝑡(opt)	0.0451	281
𝑡^∗(opt)	0.0774	164