A Two-Stage Queue Model to Optimize Layout of Urban Drainage System considering Extreme Rainstorms

Table 2

Example of chi-square distribution test for precipitation intensity .

	15	0.0188	9.3785	23.9911
	47	0.1062	53.0908	41.6079
	114	0.2397	119.8412	108.4435
	156	0.2836	141.7853	171.6398
	98	0.2053	102.6606	93.5510
	53	0.1001	50.0266	56.1502
	17	0.0464	23.2170	12.4478
	500	1.0000	500.0000	507.8313