TUGAS MINGGU KE-1,
MATEMATIKA REKAYASA 2
BAYU YURISIANTO
0953010001
Cari model matematiknya menggunakan cara Least Square :
X | Y | X2 | X*Y |
1 | 1.1 | 1 | 1.1 |
2 | 3.1 | 4 | 6.2 |
3 | 5.1 | 9 | 15.3 |
4 | 8.1 | 16 | 32.4 |
5 | 12.1 | 25 | 60.5 |
15 | 29.5 | 55 | 115.5 |
115.5 = 55A + 15B *1
29.5 = 15A + 5B *3
115.5 = 55A
88.5 = 45A -
27 = 10A
A = 2.7
29.5 = 15 * 2.7 + 5B
5B = -11
B = -2.2
JADI MODEL MATEMATIKANYA : Y = 2.7X - 2.2
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