highly significantp < 0.01
As shown in Table 2 , the established quadratic regression model is highly significant ( p < 0.01), the misfit term is p = 0.1130, the misfit is not significant, and the model fits the results of the test values well.
As shown in Table 2 , the established quadratic regression model is highly significant ( p < 0.01), the misfit term is p = 0.1130, the misfit is not significant, and the model fits the results of the test values well.