contoh analisis regressi 2 - · pdf filenama : nurul chairunnisa utami putri nim : 1620070008...
TRANSCRIPT
ANALISIS REGRESSI
NAMA : NURUL CHAIRUNNISA UTAMI PUTRI
NIM : 1620070008
FAK / JUR : SAINS & TEKNOLOGI / MATEMATIKA
http://roelcup.wordpress.com
UNIVERSITAS ISLAM AS-SYAFI’IYAH
JAKARTA TIMUR
2010
1. Contoh Analisis Regressi Yang di Proses dengan Mc.Excell Secara Manual.
Datanya ialah :
Dengan nilai :
Jawab :
Diketahui nilai :
X Y 1 6.4 1 5.6 1 6.0 2 7.5 2 6.5 3 8.3 3 7.7 4 11.7 4 10.3 5 17.6 5 18.0 5 18.4
X = Temperatur (oC) Y = Per Cent of Impurities
n 12 JKX 36.00 JKY 124.00 JKXY 452.00 JKX^2 136.00 JKY^2 1,550.30
FK 1,281.3333 JKT 268.9667 JKR 228.5714 JKS 40.3952
Dan di dapat,
Tabel sidiq ragam :
Sumber Keragaman db JK KT Fhit Ftab Regresi 1 228.5714 228.5714 56.5838 4.9646 Galat Percobaan 10 40.3952 4.0395
Total 11 268.9667
Sumber Keragaman db JK KT Fhit Ftab Regresi 1 228.5714 228.5714
Lack of Fit 3 38.0952 12.6984 38.6473 4.3468 Galat Percobaan Murni 7 2.3000 0.3286
Total 11 268.9667
Sumber Keragaman db JK KT Fhit Ftab Due to b0 1 1,281.3333 1,281.3333
Due to b1|b0 1 228.5714 228.5714
Lack of Fit 3 38.0952 12.6984 38.6473 4.3468 Galat Percobaan 7 2.3000 0.3286
Total 12 1,550.3000
b1 2.8571 b0 1.7619
JKS Murni 2.3000
R2 0.8498
Sumber Keragaman db JK KT Fhit Ftab Due to b0 1 1,281.3333 1,281.3333
Due to b1| b0 1 228.5714 228.5714 56.5838 4.9646 Galat Percobaan 10 40.3952 4.0395
Total 12 1,550.3000
Kemudian dengan data :
Menghasilkan :
R2 0.9787
X1 X2 Y X Y 1 1 6.4 1 1 5.6 1 1 6.0 2 4 7.5 2 4 6.5 3 9 8.3 3 9 7.7 4 16 11.7 4 16 10.3 5 25 17.6 5 25 18.0 5 25 18.4
X'X 12.00 36.00 136.00
36.00 136.00 576.00 136.00 576.00 2,584.00
X'X-1 1.6868 -1.2610 0.1923
-1.2610 1.0742 - 0.1731 0.1923 - 0.1731 0.0288
X'Y 124.00 452.00 1,920.00
B 8.4286 -3.1429 1.0000
Dan di dapat,
Tabel sidiq ragam :
Sumber Keragaman db JK KT Fhit Ftab Regresi 2 263.2381 131.6190
Lack of Fit 2 3.4286 1.7143 5.2174 4.7374 Galat Percobaan Murni 7 2.3000 0.3286
Total 11 268.9667
Sumber Keragaman db JK KT Fhit Ftab Due to b0 1 1,281.3333 1,281.3333
Due to b1|b0 1 228.5714 228.5714 695.6522 5.5914 Due to b2|b0,b1 1 34.6667 34.6667 105.5072 5.5914 Lack of Fit 2 3.4286 1.7143 5.2174 4.7374 Galat Percobaan 7 2.3000 0.3286
Total 12 1,550.3000