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Estimating R square from the regression equation.

A partial computer output from a regression analysis as follows. The regression equation is 
Y = 8.103 + 7.602 X1 + 3.111 X2

Predictor

Coef

SE Coef

T

Constant

 

2.667

 

X1

 

2.105

 

X2

 

0.613

 

 

S = 3.335

R-sq = 92.3%

R - sq (adj) = _____%

Analysis of Variance

Source

DF

SS

MS

F

Regression

 

1612

 

 

Residual Error

12

 

 

 

Total

 

 

 

 

a. work out the appropriate t-ratios (to 2 decimals)
Constant
X1
X2

b. figure the entries in the DF, SS and MS columns (to 2 decimals if necessary).

Source

DF

SS

MS

Regression

2

1612

806

Residual Error

12

 

11.21

Total

14

 

 

 

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922827

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