Statistics II - Old Questions

4. Suppose we are given following information with n=7, multiple regression model is 

 Ŷ = 8.15 + 0.6X₁ + 0.54X₂ 

Here , Total sum of square = 1493,

          Sum of square due to error = 91

Find i) R² and interpret it. ii) Test the overall significance of model.