Source

Sum of squares

Degree of freedom

Medium square

Ratio

Model variation

$\text{SCL}={{\displaystyle \sum }}^{\text{}}{\left(y_{i\left(calc\right)}-\overline{y}\right)}^2$

7-1

$\text{CML}=\frac{\text{SCL}}{6}$

CML/CMR

Residual variation

$\text{SCR}={{\displaystyle \sum }}^{\text{}}{\left(y_{i\left(obs\right)}-y_{i\left(calc\right)}\right)}^2$

1

$\text{CMR}=\frac{\text{SCR}}{1}$

Total variation

$\text{SCT}={{\displaystyle \sum }}^{\text{}}{\left(y_{i\left(obs\right)}-\overline{y}\right)}^2$

8-1