
| Term | Description | 
|---|---|
| MSE | mean square error | 
R2 is also known as the coefficient of determination.

| Term | Description | 
|---|---|
| yi | i th observed response value | 
    | mean response | 
    | i th fitted response | 

While the calculations for adjusted R2 can produce negative values, Minitab displays zero for these cases.
| Term | Description | 
|---|---|
![]()  | ith observed response value | 
![]()  | ith fitted response | 
![]()  | mean response | 
| n | number of observations | 
| p | number of terms in the model |