• Author / Uploaded
• Paola Kasandra

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DEVORE PAG 453, EJERCICIO 52 Hecho por Ruben Arotaype Huairoccacya 1.5 1.5 2 2.5 2.5 3 3.5 3.5 4

Sum as

X2 2.25 2.25 4 6.25 6.25 9 12.25 12.25 16

Y 23 24.5 25 30 33.5 40 40.5 47 49

2 4

312. 5

Y2 529 600.25 625 900 1122.25 1600 1640.25 2209 2401

70. 5

XY 34.5 36.75 50 75 83.75 120 141.75 164.5 196

11626. 75

902.2 5

 n=9

Media

X 2.66666667

Y 34.72222222

Desv.Est.

0.90138782

9.849210346

Varianza Sumas de cuadrad os

0.8125

97.00694444

S x x 6. 5

MSE=SSE/(n-2) Coef. de correlación, r Coef. de determinación, R^2

Bo=Y-B1*X B1=Sxy/Sxx SSE=SyyB1*Sxy MSE=SSE/ (n-2)

Syy 776.0555 556 6.4803113 6

Suma( Y2) 70.5

Suma( X2) 11626 .75

Sxy 68.91666 667