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Sifat-sifat kesalahan dari pengamatan

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GD2212 - Hitung Perataan I B. Setyadji, April 2005Pengamatan untuk kasus umum multi-dimensi:n∑x 11 , x 12 , · · · , x 1n → ¯x 1 = 1 nx 1i → s 2 1 = 1i=1n−1i=1n∑(x 1i − ¯x 1 ) 2x 21 , x 22 , · · · , x 2n → ¯x 2 = 1 nn∑i=1x 2i → s 2 2 = 1n−1i=1n∑(x 2i − ¯x 2 ) 2· · · · · · · · ·x m1 , x m2 , · · · , x mn → ¯x m = 1 ndan kovariansin∑i=1x mi → s 2 m = 1n−1i=1n∑(x mi − ¯x m ) 2– Typeset by FoilTEX – 5

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