highly significantp < 0.0001
The quadratic model was highly significant ( p < 0.0001), with R 2 Adj = 0.9875 and R 2 Pre = 0.9433 (a difference less than 0.2), indicating excellent fit and predictability.
The quadratic model was highly significant ( p < 0.0001), with R 2 Adj = 0.9875 and R 2 Pre = 0.9433 (a difference less than 0.2), indicating excellent fit and predictability.