A family of estimators of population variance in two-occasion rotation patterns

作者：Singh Housila P; Kim Jong M; Tarray Tanveer A^*

来源：Communications in Statistics - Theory and Methods, 2016, 45(14): 4106-4116.

DOI：10.1080/03610926.2014.915047

• Bias
• Mean square error
• Optimum replacement policy
• Successive (rotation) sampling
• Variance estimation
• 62D05

In this article, we have considered the problem of estimation of population variance on current (second) occasion in two occasion successive (rotation) sampling. A class of estimators of population variance has been proposed and its asymptotic properties have been discussed. The proposed class of estimators is compared with the sample variance estimator when there is no matching from the previous occasion and the Singh etal. (2013) estimator. Optimum replacement policy is discussed. It has been shown that the suggested estimator is more efficient than the Singh etal. (2013) estimator and a usual unbiased estimator when there is no matching. An empirical study is carried out in support of the present study.

• 出版日期2016