Ratio-product-ratio estimators with two parameters in double sampling under non-response are considered along with their properties. Practical conditions are obtained in which the suggested estimators are more proficient than other existing estimators. An example is given.
Pal, S. K., & Singh, H. P. (2018). Estimation of mean with two-parameter ratio-product-ratio estimator in double sampling using ancillary information under non-response. Journal of Modern Applied Statistical Methods, 17(2), eP2600. doi: 10.22237/jmasm/1554987299