Table 4. Analysis of variance (ANOVA) test results

		Sum of squares	df	Mean square	F-value	p-value
SCM 1st exam	Between groups	35.10	1	35.10	2.12	.15
	Within groups	793.21	48	16.52
	Total	828.32	49
SCM 2nd exam	Between groups	140.54	1	140.54	4.82	.03
	Within groups	1,397.47	48	29.11
	Total	1,538.02	49
SCM final exam	Between groups	130.89	1	130.89	7.15	.01
	Within groups	877.82	48	18.28
	Total	1,008.72	49

Note. SCM, supply chain management.