CD Skripsi
Penaksir Rasio Untuk Variansi Populasi Menggunakan Informasi Tambahan Pada Sampling Acak Sederhana
This final project discusses new estimators for population variance using two
auxilary informations. This estimator ratio is completed by simple random
sampling without replacement method. The result of this method is to get
efficiency of estimators. Then to determine an efficient estimator is done by
comparing the MSE (Mean Square Error) for estimator ˆ S2
rpG1 dan ˆ S2
rpG2 and
variance for general estimator s2
y . The efficient estimator is the one fulfill certain
criteria and having a minimum MSE or variance. This is a review of parts of
article of Ismail et al. [Kuwait Journal of Science 45 (1) (2018), 79-88].
Keywords: Simple random sampling, ratio estimator, bias, mean square error,
variance
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