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Relación entre variables cuantitativas

Relación entre variables cuantitativas

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RELACION ENTRE VARIABLES CUANTITATIVAS<br />

DETERMINACION DE LA MEDIDA O FUERZA DE CORRELACION<br />

Coeficiente de correlación R de PEARSON:<br />

R<br />

=<br />

n<br />

XY<br />

-<br />

( n x<br />

2<br />

- ( x)<br />

2<br />

)( n y<br />

2<br />

- ( y)<br />

2<br />

)<br />

X<br />

Y<br />

R =<br />

11(9286,2) - (169,8)(625)<br />

(11(2645,02) - (169,8)<br />

R = -0,85271275<br />

2<br />

)(11(43035)<br />

- (625)<br />

2<br />

120<br />

100<br />

80<br />

60<br />

40<br />

20<br />

0<br />

0 5 10 15 20

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