A Study of Flexible Flow Shop Scheduling Problem with Various Heterogeneous Labors

Table 5

The t-test of various conditions optimal solution.

Scale (1)	Scale (2)	Scale (3)	Scale (4)
t Stat	−44.404	−83.939	−194.167
P (T ≤ t) one-tail	0.000	0.000	0.000

Note: denotes ; denotes ; denotes .