"rsd1" - 1 õppematerjal

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√ 2 2 2 ( x 1−´x ) +( x 2−´x ) +…+ ( x n− x´ ) SD 1 = =¿ n−1 √ 2 2 ( 4,199−4,2083 ) + ( 4,209−4,2083 ) +(4,217−4,2083)2 ¿ =0,00918 3−1 SD 0,00918 RSD1 = ∗100= ∗100=0,214 ´x 4,2083 x 1 + x 2+ …+ x n 7,154+ 7,163+ 7,169 ´x 2= = =7,162 n 3  √ 2 2 2 ( x 1−´x ) + ( x 2−´x ) +…+( x n− x´ ) SD 2 = =¿ n−1 √