Table 4 Proportion of required courses by 3 business communication types

	Korea (2017)				US (2017)				Proportion (Required)
	Required		Elective		Required		Elective
	n	col%	n	col%	n	col%	n	col%	Korea (2017)	US (2017)
All	8	100	42	100	15	100	9	100	0.16	0.63
Type I	8	100	19	45	7	47	6	67	0.30	0.54
Type II	0	0	8	19	6	40	1	11	0.00	0.86
Type III	0	0	15	36	2	13	2	22	0.00	0.50
Fisher's Exact test	Table p = 0.0041, prob = 0.0196;				Table p = 0.0551; prob = 0.4365