Estimation of Normal Variance Considered Prior Information

  • Lee, Sang-do (Dept. of Industrial Engineering, Dong-A University) ;
  • Lee, Dong-choon (Dept. of Industrial Engineering, Dong-A University) ;
  • Park, Ki-joo (Dept. of Industrial Engineering, Kyungbuk Sanup University)
  • Published : 1989.11.25

Abstract

In this paper we present the shrunken testing estimator for the variance of normal population and we find the condition that can be used in seeking the situations in which the proposed estimator is superior to the minimum variance unbiased estimator.

Keywords