Model term
Coefficient estimation
Standard error
F-value
Prob>F
Intercept
5.230
0.120
-
Pressure (X1)
1.100
0.084
168.510
<0.0001
Temperature (X2)
-0.190
5.130
0.0580
Co-solvent flow rate (X3) X1:X2 X1:X3 X2: X3 X12 X22 X32
0.520 0.007 0.170 0.006 0.051 -0.400 -0.380
0.084 0.120 0.120 0.120 0.120 0.120 0.120
37.930 0.004 2.040 0.003 0.190 11.630 10.570
0.0005 0.9500 0.1966 0.9565 0.6770 0.0113 0.0140