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Estadística. Serie Schaum- 4ta edición - Murray R. Spiegel.pdf (1)

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534 RESPUESTAS A LOS PROBLEMAS SUPLEMENTARIOS

EXCEL

Price Bedrooms Baths SUMMARY

OUTPUT

165 3 2

200 3 3 Regression Statistics

225 4 3 Multiple R 0.877519262

180 2 3 R Square 0.770040055

202 4 2 Adjusted R Square 0.704337213

250 4 4 Standard Error 25.62718211

275 3 4 Observations 10

300 5 3 Coefficients

155 2 2 Intercept 32.94827586

230 4 4 Bedrooms 28.64655172

Baths 29.28448276

MINITAB

Análisis de regresión: precio contra recámaras, baños

The regression equation is

Price ¼ 32.9 þ 28.6 Bedrooms þ 29.3 Baths

R-Sq ¼ 77.0% R-Sq(adj) ¼ 70.4%

SAS

Root MSE 25.62718 R-Square 0.7700

Dependent Mean 218.20000 Adj R-Sq 0.7043

Coeff Var 11.74481

Parameter Estimates

Parameter Standard

Variable Label DF Estimate Error t Value Pr 4 |t|

Intercept Intercept 1 32.94828 39.24247 0.84 0.4289

Bedrooms Bedrooms 1 28.64655 9.21547 3.11 0.0171

Baths Baths 1 29.28448 10.90389 2.69 0.0313

SPSS

Coeficientes sin

estandarizar

Coeficientes a

Coeficientes

estandarizados

Modelo B Error estándar Beta t Sig.

1 (Constante)

Recámaras

Baños

a Variable dependiente: Precio

32.948

28.647

29.284

39.242

9.215

10.904

.587

.507

.840

3.109

2.686

.429

.017

.031

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