12.07.2015 Views

Calculo coeficiente correlacion

Calculo coeficiente correlacion

Calculo coeficiente correlacion

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

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_

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!