TUGAS MINGGU KE-1,
MATEMATIKA REKAYASA 2
MUKHLASIN
0953010043
Carilah model matematiknya menggunakan cara Least Sguare :
X | Y | X2 | X*Y |
1 | 1.3 | 1 | 1.3 |
2 | 3.3 | 4 | 6.6 |
3 | 5.3 | 9 | 15.9 |
4 | 8.3 | 16 | 33.2 |
5 | 12.3 | 25 | 61.5 |
15 | 30.5 | 55 | 118.5 |
118.5 = 55A + 15B *1
30.5 = 15A + 5B *3
118.5 = 55A
91.5 = 45A -
27 = 10A
A = 2.7
30.5 = 15*2.7 + 5B
5B = -10
B = -2
JADI MODEL MATEMATIKANYA : Y = 2.7X - 2
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