Table 1.

Statistical analysis of the overlapped Up-SR-HRGs derived from the five datasets according to the GHG distribution

Random variable	Mean	Variance	95% CIa	Observed values	N of observed values with significance	% (observed values with significance)
N OL≥5	0.00212	0.0022	[0, 0.2]	42	42	100%
N OL≥4	0.29	0.29	[0, 2.7]	108	106	98.15%
N OL≥3	15.15	14.71	[0, 32.3]	276	244	88.41%
N OL≥2	361.74	254.04	[290.4, 433.0]	780	347	44.49%
N OL≥1	4162.80	286.46	[4087.1, 4238.5]	3334	–	–

^aThe 95% CI was estimated by using the Chebyshev’s inequality