simpangan rata rata dari data 2,3,4,5,5,7,8,8,9,9 adaah
Matematika
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Pertanyaan
simpangan rata rata dari data 2,3,4,5,5,7,8,8,9,9 adaah
1 Jawaban
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1. Jawaban mriz0409
SR = Σl Xi - X rata ratal / n X rata-rata = 2+3+4+5+5+7+8+8+9+9 / 10
= 22 / 10 = 60 / 10 = 6
= 2,2
Xi = l 2-6 l + l 3-6 l + l 4-6 l + l 5-6 l + l 5-6 l + l 7-6 l + l 8-6 l + l 8-6 l + l 9-6 l + l 9-6 l
= 4 + 3 + 2 + 1 + 1 + 1 + 2 + 2 + 3 + 3 =22
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