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PROYECCIÓN DE LAS IMPORTACIONES<br />

AÑOS X Y XY X²<br />

1999 -2 1147,302 -2294,604 4<br />

2000 -1 1236,372 -1236,372 1<br />

2001 0 1411,84 0 0<br />

2002 1 1035,87 1035,87 1<br />

2003 2 1074,103 2148,206 4<br />

SUMATORIA 0 5905,487 -346,9 10<br />

Y = a + bx<br />

a = ∑Y<br />

n<br />

a = 5905.487<br />

5<br />

a = 1181,0974<br />

b = ∑XY<br />

∑ X²<br />

b = -346.9<br />

10<br />

b = -34,69<br />

IMPORTACIONES<br />

Y = a+bx<br />

74

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