Muhammad, Isah; Zakari, Yahaya; Audu, Ahmed - In: CBN journal of applied statistics 12 (2021) 2, pp. 1-26
In this study, a new exponential ratio-regression estimator is developed using an aux- iliary variable for estimating the finite population mean under a two-phase sampling system. The Bias and Mean Square Error (MSE) of the proposed estimator are de- rived and compared with some of the...