highly significantp < 0.01
Additionally, the effects of X 1 , X 2 , X 5 , X 1 X 2 , X 1 2 , X 2 2 , and X 5 2 were all highly significant ( p < 0.01).
Additionally, the effects of X 1 , X 2 , X 5 , X 1 X 2 , X 1 2 , X 2 2 , and X 5 2 were all highly significant ( p < 0.01).