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Simpangan rata-rata dari data 4, 7, 5, 6, 8, 6 adalah ....

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$Ingat factorial Rata minus rata colon top enclose straight X equals fraction numerator jumlah space data over denominator banyak space data end fraction Simpangan space rata minus rata colon S R equals fraction numerator sum from i space equals 1 to n of space vertical line x subscript i minus top enclose X vertical line over denominator n end fraction Diketahui colon Data colon 4 comma 7 comma 5 comma 6 comma 8 comma 6 Maka colon Rata minus rata colon top enclose X equals fraction numerator left parenthesis 4 plus 7 plus 5 plus 6 plus 8 plus 6 right parenthesis over denominator 6 end fraction equals 36 over 6 equals 6 Simpangan space rata minus rata colon S R equals fraction numerator vertical line 4 minus 6 vertical line plus vertical line 7 minus 4 vertical line plus vertical line 5 minus 6 vertical line plus vertical line 6 minus 6 vertical line plus vertical line 8 minus 6 vertical line plus vertical line 6 minus 6 vertical line over denominator 6 end fraction space space space space space space equals fraction numerator 2 plus 3 plus 1 plus 0 plus 2 plus 0 over denominator 6 end fraction space space space space space space equals 6 over 6 space space space space space space equals 1 Jadi space simpangan space rata minus rata space data space tersebut space adalah space 1 comma 0.$