The following ANOVA summary table was obtained from a multiple regression model with two independent variables:
Souce of variation 
Sum of square 
Degree of freedom 
Mean sum of square 
Fvalue 
Regression 
12.62 
2 
? 
? 
Error 
0.78 
12 
? 
Total 
13.40 
14 


i. Determine the mean sum square due to regression, the mean sum square due to error and Fvalue.
ii. Test the significance of overall model at 5% level of significance.
iii. Compute coeff of determination and interpret its value.