LATIHAN PERTEMUAN 2 STATISTIKA DESKRIPTIF CREAT BY SEFTA
![LATIHAN PERTEMUAN 2 STATISTIKA DESKRIPTIF � CREAT BY: SEFTA LAYLI U. F � NIM: LATIHAN PERTEMUAN 2 STATISTIKA DESKRIPTIF � CREAT BY: SEFTA LAYLI U. F � NIM:](https://slidetodoc.com/presentation_image/55dd8b8d9c1298d333fc9590b91c4a79/image-1.jpg)
LATIHAN PERTEMUAN 2 STATISTIKA DESKRIPTIF � CREAT BY: SEFTA LAYLI U. F � NIM: 11140711 � KELAS: 11. 2 A. 04
![NOTASI SIGMA DIKET : X 1=3 X 2=4 X 3=6 Y 1=4 Y 2=1 NOTASI SIGMA DIKET : X 1=3 X 2=4 X 3=6 Y 1=4 Y 2=1](http://slidetodoc.com/presentation_image/55dd8b8d9c1298d333fc9590b91c4a79/image-2.jpg)
NOTASI SIGMA DIKET : X 1=3 X 2=4 X 3=6 Y 1=4 Y 2=1 Y 3=5 i=1 s/d n EXAMPLE: 1 X 1+X 2+X 3 = 3 + 4 + 6 =13
![2 =4 3 =4{X 2 +X 3} =4{4+6} =4{10} =40 =nk=3 x 8=24 Atau=8+8+8=24 2 =4 3 =4{X 2 +X 3} =4{4+6} =4{10} =40 =nk=3 x 8=24 Atau=8+8+8=24](http://slidetodoc.com/presentation_image/55dd8b8d9c1298d333fc9590b91c4a79/image-3.jpg)
2 =4 3 =4{X 2 +X 3} =4{4+6} =4{10} =40 =nk=3 x 8=24 Atau=8+8+8=24
![4 5 =(X 1+3)+(X 2+3) =(3+3)+((4+3) =6 +7 =13 (X 1 -2)2 =(X 1 4 5 =(X 1+3)+(X 2+3) =(3+3)+((4+3) =6 +7 =13 (X 1 -2)2 =(X 1](http://slidetodoc.com/presentation_image/55dd8b8d9c1298d333fc9590b91c4a79/image-4.jpg)
4 5 =(X 1+3)+(X 2+3) =(3+3)+((4+3) =6 +7 =13 (X 1 -2)2 =(X 1 -2)2 +(X 2 -2)2 +(X 3 -2)2 =(3 -2)2 +(4 -2)2 +(6 -2)2 =12 +22+42 =1+4+16 =21
![6 (X 12 -2) = (X 12 -2)+( X 22 -2)+(X 32 -2) =(32 6 (X 12 -2) = (X 12 -2)+( X 22 -2)+(X 32 -2) =(32](http://slidetodoc.com/presentation_image/55dd8b8d9c1298d333fc9590b91c4a79/image-5.jpg)
6 (X 12 -2) = (X 12 -2)+( X 22 -2)+(X 32 -2) =(32 -2)+(42 -2)+(62 -2) =(9 -2)+(16 -2)+(36 -2) =7+14+34 =5 5 7 X 12 -2 =(X 1+X 2+X 3 ) 2 =(3+4+6) 2 -2 =(13) 2 -2 =169 -2 =167 -2
![8 =nk=3 x 7=21 Atau=7+7+7=21 9 = =5{X 1+X 2+X 3} =5{3+4+6} =5{13} =65 8 =nk=3 x 7=21 Atau=7+7+7=21 9 = =5{X 1+X 2+X 3} =5{3+4+6} =5{13} =65](http://slidetodoc.com/presentation_image/55dd8b8d9c1298d333fc9590b91c4a79/image-6.jpg)
8 =nk=3 x 7=21 Atau=7+7+7=21 9 = =5{X 1+X 2+X 3} =5{3+4+6} =5{13} =65
![10 (X 1+2 Xi) ={(X 1+2(X 1) }+{(X 2+2 X 2)} ={3+2(3)}+{4+2(4)} ={3+(6)}+{4+(8)} =9+12 10 (X 1+2 Xi) ={(X 1+2(X 1) }+{(X 2+2 X 2)} ={3+2(3)}+{4+2(4)} ={3+(6)}+{4+(8)} =9+12](http://slidetodoc.com/presentation_image/55dd8b8d9c1298d333fc9590b91c4a79/image-7.jpg)
10 (X 1+2 Xi) ={(X 1+2(X 1) }+{(X 2+2 X 2)} ={3+2(3)}+{4+2(4)} ={3+(6)}+{4+(8)} =9+12 =21
![EXAMPLE 1 Y 1+Y 2+Y 3 =4+1+5 =10 2 =4 =4{Y 2 +Y 3} EXAMPLE 1 Y 1+Y 2+Y 3 =4+1+5 =10 2 =4 =4{Y 2 +Y 3}](http://slidetodoc.com/presentation_image/55dd8b8d9c1298d333fc9590b91c4a79/image-8.jpg)
EXAMPLE 1 Y 1+Y 2+Y 3 =4+1+5 =10 2 =4 =4{Y 2 +Y 3} =4{1+5} =4{6} =24
![3 4 =nk=3 x 8=24 Atau=8+8+8=24 (Y 1+3) =(Y 1+3)+(Y 2+3) =(4+3)+((1+3) =7 + 3 4 =nk=3 x 8=24 Atau=8+8+8=24 (Y 1+3) =(Y 1+3)+(Y 2+3) =(4+3)+((1+3) =7 +](http://slidetodoc.com/presentation_image/55dd8b8d9c1298d333fc9590b91c4a79/image-9.jpg)
3 4 =nk=3 x 8=24 Atau=8+8+8=24 (Y 1+3) =(Y 1+3)+(Y 2+3) =(4+3)+((1+3) =7 + 4 =11
![5 (Y 1 -2)2 =(Y 1 -2)2 +(Y 2 -2)2 +(Y 3 -2)2 =(4 5 (Y 1 -2)2 =(Y 1 -2)2 +(Y 2 -2)2 +(Y 3 -2)2 =(4](http://slidetodoc.com/presentation_image/55dd8b8d9c1298d333fc9590b91c4a79/image-10.jpg)
5 (Y 1 -2)2 =(Y 1 -2)2 +(Y 2 -2)2 +(Y 3 -2)2 =(4 -2)2 +(1 -2)2 +(5 -2)2 =22 +(-1)2+32 =4+1+9 =14
![6 (Y 12 -2) = (Y 12 -2)+( Y 22 -2)+(Y 32 -2) =(42 6 (Y 12 -2) = (Y 12 -2)+( Y 22 -2)+(Y 32 -2) =(42](http://slidetodoc.com/presentation_image/55dd8b8d9c1298d333fc9590b91c4a79/image-11.jpg)
6 (Y 12 -2) = (Y 12 -2)+( Y 22 -2)+(Y 32 -2) =(42 -2)+(12 -2)+(52 -2) =(16 -2)+(1 -2)+(25 -2) =14 -1+23 =36 7 Y 12 -2 =(Y 1+Y 2+Y 3 ) 2 =(4+1+5) 2 -2 =(10) 2 -2 =100 -2 =98 -2
![8 9 =nk=3 x 7=21 Atau=7+7+7=21 =5{Y 1+Y 2+Y 3} =5{4+1+5} =5{10} =50 8 9 =nk=3 x 7=21 Atau=7+7+7=21 =5{Y 1+Y 2+Y 3} =5{4+1+5} =5{10} =50](http://slidetodoc.com/presentation_image/55dd8b8d9c1298d333fc9590b91c4a79/image-12.jpg)
8 9 =nk=3 x 7=21 Atau=7+7+7=21 =5{Y 1+Y 2+Y 3} =5{4+1+5} =5{10} =50
![10 (Y 1+2 Yi) ={(Y 1+2(Y 1) }+{(Y 2+2(Y 2)} ={4+2(4)}+{1+2(1)} ={4+(8)}+{1+(2)} =12+3 =15 10 (Y 1+2 Yi) ={(Y 1+2(Y 1) }+{(Y 2+2(Y 2)} ={4+2(4)}+{1+2(1)} ={4+(8)}+{1+(2)} =12+3 =15](http://slidetodoc.com/presentation_image/55dd8b8d9c1298d333fc9590b91c4a79/image-13.jpg)
10 (Y 1+2 Yi) ={(Y 1+2(Y 1) }+{(Y 2+2(Y 2)} ={4+2(4)}+{1+2(1)} ={4+(8)}+{1+(2)} =12+3 =15
![THE END THE END](http://slidetodoc.com/presentation_image/55dd8b8d9c1298d333fc9590b91c4a79/image-14.jpg)
THE END
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