simpang baku dari data 9,8,13,18,12,12
Matematika
rosaliadewi1
Pertanyaan
simpang baku dari data 9,8,13,18,12,12
1 Jawaban
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1. Jawaban nasril8
data diurut : 8, 9, 12, 12, 13, 18
Mean = ( 8+9+12+12+13+18)/(6)
= 72/6 = 12
SD= akar { (8-12)^2+(9-12)^2+2(12-12)^2+(13-12)^2+(18-12)^2 }/ / 6
= akar { (16+9+0+1+36) } / 6
= akar (62/6)
=