Inferensi mean dari statistik-L dengan metode bootstrap

Rumaidah , Siti (2002) Inferensi mean dari statistik-L dengan metode bootstrap. Undergraduate thesis, FMIPA UNDIP.

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Abstract

Statistik-L Tp = E ciXi,9 merupakan suatu kombinasi tinier dari statistik terurut yang berfungsi sebagai estimator dari suatu parameter. Distribusi statistik-L seringkali tidak diketahui oleh karena itu untuk mengestimasi mean dan variansinya digunakan metode bootstrap yaitu dengan mengestimasi mean, variansi, kovariansi bootstrap dari statistik terurut untuk masing — masing replikasi bootstrap Hari statistik-L. Dengan metode bootstrap didapatkan estimasi variansi mean terpangkas yang lebih kecil daripada estimasi variansi mean sebelum dipangkas. Variansi statistik-L akan semakin kecil dan interval konfidensi mean statistik-L mempunyai selang yang semakin baik dengan meningkatnya jumlah replikasi bootstrap. L-statistics Tu = ciXi:. is a linear combination of order statistics that used to estimate a parameter. Distribution of this L-statistics usually unknown, therefore to estimate mean and its variances are used bootstrap methods by finding the bootstrap mean, variances, covariances of order statistics for each bootstrap replication of L-statistics. With bootstrap methods was obtained variance estimation of trimmed mean that is smaller than variance of mean without trimmed L-statistics variance will be small and confidence interval of its mean to be better as the number of bootstrap replication increase.

Item Type:Thesis (Undergraduate)
Subjects:Q Science > QA Mathematics
Divisions:Faculty of Science and Mathematics > Department of Mathematics
ID Code:31741
Deposited By:Mr UPT Perpus 1
Deposited On:24 Nov 2011 13:23
Last Modified:24 Nov 2011 13:23

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