Estimators

Relative percent efficiency with respect to mean per unit

$\mathrm{var}\left(\overline{y}\right)$

100

Product estimator, ${\overline{y}}_P$

106

Ratio estimator, ${\overline{y}}_R$

192

Regression estimator, ${\overline{y}}_{RE}$

264

Exponential product estimator, ${\overline{y}}_{EP}$

225

Exponential ratio estimator, ${\overline{y}}_{ER}$

268

Exponential ratio-product estimator, ${\overline{y}}_{ERP}$

216

Exponential ratio-product estimator, ${\overline{y}}_{ERP}$

278

Modified regression estimator (Proposed), ${\overline{y}}_{\text{MRE}\left(\text{proposed}\right)}$

398

Modified regression estimator (Proposed), ${\overline{y}}_{\text{MRE}\left(\text{proposed}\right)}$

429