Calculo coeficiente correlacion
Calculo coeficiente correlacion
Calculo coeficiente correlacion
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CALCULO DEL COEFICIENTE DE CORRELARequisito: Coeficiente de correlación: > +- 0.80 < = 1AÑO X Y XY X²1999 1 1 1 12000 2 4 8 42001 3 6 18 92002 4 5 20 162003 5 10 50 252004 6 12 72 362005 7 8 56 49Totales 28 46 225 140n= 7∑X= 28 FORMULA:∑XY= 225∑X²= 140 n∑XY-∑X*∑Y∑Y²= 386 r = ________________________∑Y= 46n∑XY= 1575 n∑X²-(∑X)²)*(n∑Y²-(∑Y)²∑X*∑Y= 1288NUMERADOR= 287n∑X²= 980(∑X)²= 784n∑Y²= 2702(∑Y)²= 2116n∑X²-(∑X)²= 196n∑Y²-(∑Y)²= 586(n∑X²-(∑X)²)*(n∑Y²-(∑Y)²)= 114856Denominador: 338.9041162r= 0.846847194
ACIÓNY²116362510014464386_