http://acimulyana.wordpress.com Just another WordPress.com site Mon, 16 Jan 2012 12:48:26 +0000 en hourly 1 http://wordpress.com/ http://s2.wp.com/i/buttonw-com.png http://acimulyana.wordpress.com http://acimulyana.wordpress.com/2012/01/16/896/ http://acimulyana.wordpress.com/2012/01/16/896/#comments Mon, 16 Jan 2012 12:46:13 +0000 acimulyana http://acimulyana.wordpress.com/?p=896 ]]> http://acimulyana.wordpress.com/2012/01/16/896/feed/ 0 acimulyana teka-teki http://acimulyana.wordpress.com/2012/01/04/890/ http://acimulyana.wordpress.com/2012/01/04/890/#comments Wed, 04 Jan 2012 14:23:27 +0000 acimulyana http://acimulyana.wordpress.com/?p=890 ]]> http://acimulyana.wordpress.com/2012/01/04/890/feed/ 0 acimulyana http://acimulyana.wordpress.com/2012/01/04/881/ http://acimulyana.wordpress.com/2012/01/04/881/#comments Wed, 04 Jan 2012 13:44:43 +0000 acimulyana http://acimulyana.wordpress.com/?p=881 ]]> http://acimulyana.wordpress.com/2012/01/04/881/feed/ 0 acimulyana http://acimulyana.wordpress.com/2011/06/21/statistiklanjutan/ http://acimulyana.wordpress.com/2011/06/21/statistiklanjutan/#comments Tue, 21 Jun 2011 04:04:59 +0000 acimulyana http://acimulyana.wordpress.com/?p=862 ]]> http://acimulyana.wordpress.com/2011/06/21/statistiklanjutan/feed/ 1 acimulyana Q_1 D_8 x_i f_i.x_i \sum \begin{array}{rcl}\bar{x} & = & \frac{\sum f_{i}.x_{i}}{\sum f_i}\\ & = & \frac{680}{30}\\ & = & 22,67\end{array} f_k \sum \frac n2=\frac{30}{2}=15 f_{k} T_B=20-0,5=19,5 i=5 f_k=9 f_k f_{Me}=9 f_i \begin{array}{rcl}Me & = & T_B+ \frac {\frac {n}{2}-f_{k}}{f_{Me}}.i\\ & = & 19,5+\frac{15-9}{9}.5\\ & = & 19,5+\frac {6}{9}.5\\ & = & 19,5+3,33\\ & = & 22,83\end{array} \sum T_B=20-0,5=19,5 i=5 d_1=9-6=3 d_2=9-8=1 \begin{array}{rcl}Mo & = & T_B+\frac{d_{1}}{d_{1}+d_{2}}.i\\ & = & 19,5+\frac{3}{3+1}.5\\ & = & 19,5+\frac{3}{4}.5\\ & = & 19,5+3,75\\ & = & 23,25\end{array} \sum Q_1 \frac {i.n}{4}=\frac{1.30}{4}=7,5 f_{k} T_B=15-0,5=14,5 i=5 f_k=3 f_k Q_1 f_{Q1}=6 f_i \begin{array}{rcl}Q_1 & = & T_B+\frac{\frac {i.n}{4}-f_k}{f_Q}.i\\ & = & 19,5+\frac{7,5-3}{6}.5\\ & = & 19,5+\frac{4,5}{6}.5\\ & = & 19,5+3,75\\ & = & 18,25\end{array} \sum D_8 \frac{i.n}{10}=\frac{8.30}{10}=24 f_{k} T_B=25-0,5=24,5 i=5 f_k=18 f_k D_8 f_{D8}=8 f_i \begin{array}{rcl}D_8 & = & T_B+\frac{\frac {i.n}{10}-f_k}{f_D}.i\\ & = & 24,5+\frac{24-18}{8}.5\\ & = & 24,5+\frac{6}{8}.5\\ & = & 24,5+3,75\\ & = & 28,25\end{array} http://acimulyana.wordpress.com/2011/06/21/sataistik/ http://acimulyana.wordpress.com/2011/06/21/sataistik/#comments Tue, 21 Jun 2011 04:03:11 +0000 acimulyana http://acimulyana.wordpress.com/?p=860 ]]> http://acimulyana.wordpress.com/2011/06/21/sataistik/feed/ 2 acimulyana \bar{x} = \frac{\sum x_{i}}{n} \bar{x} = \frac{\sum f_{i}.x_{i}}{\sum f_i} Mo=T_B+ \frac{d_1}{d_1+d_2}.i Me=x_{\frac{n+1}{2}} Me= \frac 12.(x_{\frac n2}+x_{\frac n2+1}) Me=T_B+\frac{\frac n2-f_k}{f_{Me}}.i Q_i = x_{\frac{i(n+1)}{4}} _i = 1,2,3 Q_i=T_B+\frac{\frac {i.n}{4}-f_k}{f_Q}.i D_i = x_{\frac{i(n+1)}{10}} _i =1,2,3,4,5,6,7,8,9 D_i=T_B+\frac{\frac {i.n}{10}-f_k}{f_D}.i x_i x_i f_i n= \sum f_i T_B d_1 d_2 i f_k f_{Me} f_Q f_D \frac n2 \frac{i.n}{4} \frac{i.n}{10} \bar x x_1 x_2 x_3 x_4 x_5 x_6 x_7 x_8 x_9 x_{10} \begin{array}{rcl} 1.\:\bar x & = & \frac{3+4+4+5+6+7+8+8+9+10}{10}\\ & = & \frac{64}{10}\\ & = & 6,4 \end{array} \begin{array}{rcl} 2.\:Mo & = & 4 dan 8\end{array} \begin{array}{rcl} 3.\:Me & = & \frac 12.(x_5+x_6)\\ & = & \frac 12.(6+7)\\ & = & 6,5 \end{array} \begin{array}{rcl}4.\:Q_3 & = & x_{\frac{3(10+1)}{4}}\\ & = & x_{8,25}\\ & = & x_8+0,25(x_9-x_8)\\ & = & 8+0,25(9-8)\\ & = & 8,25\end{array} \begin{array}{rcl}5.\:D_7 & = & x_{\frac{7(10+1)}{10}}\\ & = & x_{7,7}\\ & = & x_8+0,7(x_8-x_7)\\ & = & 8+0,7(8-8)\\ & = & 8\end{array}