Research Article

Minimum Porosity Formation in Pressure Die Casting by Taguchi Method

Table 5

The results after analysing by Intercooled Stada 8.2 software.
(a)

. reg Fx A B C D E
Source SS dfMS Number of obs = 27 

Model0.1550444985 0.0310089 Prob > = 0.0000
Residual0.004437799 210.000211324 -squared = 0.9722
Adj -squared = 0.9655
Total 0.159482297 260.006133935 Root MSE = 0.01454

(b)

FxCoef. Std. Err. 95% Conf. Interval

−0.0008844 0.0001142 −7.74 0.000 −0.001122 −0.0006469
−0.00083 0.0000857 −9.69 0.000 −0.0010081 −0.0006519
−0.0305925 0.7284277 −0.042 0.000 −0.0780965 0.0169114
0.0175444 0.0034264 5.12 0.000 0.0104189 0.02467
−0.0020122 0.0000857 −23.49 0.000 −0.0021904 −0.0018341
_cons3.054569 0.0820708 37.22 0.000 2.883893 3.225244