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

Table 4: Service time on the registration of χ2 test statistics.

i	x (seconds)	f_i	p_i	np_i	f_i-np_i
1	0-30	46	0.503	51.765	-5.765	0.642
2	30-60	31	0.250	25.749	5.251	1.071
3	60-90	16	0.124	12.808	3.192	0.795
4	90-120	7	0.062	6.371	0.629	0.062
5	120 above	3	0.061	6.306	-3.306	1.733
	Total	103	1.000	103.000	0.000	4.303

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