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Table 4 Regression coefficients and their significance in the quadratic model

From: Use of response surface methodology for development of new microwell-based spectrophotometric method for determination of atrovastatin calcium in tablets

Terms   Absorbance
Estimate P-value
Intercept 1.63 < 0.0001
A-DDQ 0.41 < 0.0001
B-Time 0.12 0.0006
C-temp 1.10E-02 0.5148
AB 0.087 0.0102
AC 1.10E-02 0.6188
BC 1.00E-02 0.6643
A^2 −0.25 0.0001
B^2 −4.30E-02 0.1182
C^2 2.56E-03 0.9141