simpangan baku dari data: 3,7,5,5,4,6 adalah

[tex]3,4,5,5,6,7[/tex]
[tex]X= \frac{3+4+5+5+6+7}{6}=5 [/tex]
[tex]S= \sqrt{ \frac{(3-5)^2+(4-5)^2+(5-5)^2+(5-5)^2+(6-5)^2+(7-5)^2}{6} } [/tex]
[tex]S= \sqrt{ \frac{(-2)^2+(-1)^2+0^2+0^2+1^2+2^2}{6} } [/tex]
[tex]S= \sqrt{ \frac{(4+1+0+0+1+2}{6} }= \sqrt{\frac{8}{6} } = \sqrt{\frac{4}{3}} = 2 \sqrt{/frac{1}{3} [/tex]