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

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$S R equals fraction numerator sum from i equals 1 to n of open vertical bar X subscript i minus top enclose X close vertical bar over denominator n end fraction equals fraction numerator open vertical bar X subscript 1 minus top enclose X close vertical bar plus... plus open vertical bar X subscript n minus top enclose X close vertical bar over denominator n end fraction C a r i space r a t a minus r a t a space t e r l e b i h space d a h u l u space top enclose X equals fraction numerator 4 plus 7 plus 5 plus 6 plus 8 plus 6 over denominator 6 end fraction top enclose X equals 36 over 6 top enclose X equals 6 S e h i n g g a space s i m p a n g a n space r a t a minus r a t a space d a r i space d a t a space t e r s e b u t space a d l a h space S R equals fraction numerator open vertical bar 4 minus 6 close vertical bar plus open vertical bar 7 minus 6 close vertical bar plus open vertical bar 5 minus 6 close vertical bar plus open vertical bar 6 minus 6 close vertical bar plus open vertical bar 8 minus 6 close vertical bar plus open vertical bar 6 minus 6 close vertical bar over denominator 6 end fraction S R equals fraction numerator 2 plus 1 plus 1 plus 0 plus 2 plus 0 over denominator 6 end fraction S R equals 6 over 6 S R equals 1$