CD Skripsi
Penaksir Rasio-Cum-Dual Untuk Variansi Populasi Pada Sampling Acak Sederhana
This article discusses three estimators for estimating population variance in simple
random sampling i.e. ratio estimator, dual ratio estimator and ratio cum dual
estimator which is a review of the article of Yadav and Kadilar [Journal of
Reliability and Statistical Studies, 6 (2013): 29-34]. These there estimators are all
biased, and MSE (mean square error) of each estimator can be obtained.
Furthermore, these MSE are compared to each other. An example is given to show
the efficiencies of estimators.
Keywords: simple random sampling, ratio estimator, dual to ratio estimator, ratio
cum dual estimator and mean square error
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