Table 4.

Simulation results for sample size

α	β	Situation	Gray		Diff		sDiff
			n	Power	n	Power	n	Power
0.05	0.8	B	102	0.804	108	0.852	116	0.790
		C	606	0.767	208	0.862	220	0.886
0.05	0.9	B	136	0.894	144	0.925	152	0.898
		C	810	0.882	278	0.919	294	0.965
0.01	0.8	B	152	0.793	160	0.854	168	0.776
		C	900	0.776	308	0.846	322	0.841
0.01	0.9	B	194	0.895	204	0.926	212	0.889
		C	1146	0.893	392	0.931	408	0.940