  The present study discuss the problem of estimating the finite population
mean using auxiliary attribute in stratified random sampling. In this paper
taking the advantage of point bi-serial correlation between the study variable
and auxiliary attribute, we have improved the estimation of population mean in
stratified random sampling. The expressions for Bias and Mean square error have
been derived under stratified random sampling. In addition, an empirical study
has been carried out to examine the merits of the proposed estimator over the
existing estimators.
