A Multi-Type Queuing Network Analysis Method for Controlling Server Number in the Outpatient

Table A.3: Service time on the laboratory of χ² test statistics.

i	x (minutes)	f_i	p_i	np_i	(f_i-np_i)
1	0-5	61	0.565	62.194	-1.194	0.023
2	5-10	30	0.246	23.344	6.656	1.898
3	10-15	12	0.107	10.145	1.855	0.339
4	15-20	5	0.046	4.409	0.591	0.079
5	20 above	2	0.036	3.389	-1.389	0.569
	Total	110	1.000	103.481	6.519	2.909

Note: i is each interval; x is the arrival number per minute.