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

Rsq = 92.3%

R  sq (adj) = _____%

Analysis of Variance
Source

DF

SS

MS

F

Regression


1612



Residual Error

12




Total





a. work out the appropriate tratios (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


