Table 1. Descriptive statistics of the used data sets.

Data set	Subset	N		Mean		SD		Median
		Group 1	Group 2	Group 1	Group 2	Group 1	Group 2	Group 1	Group 2
1	1	1000	1000	0.036	-0.026	4.156	4.13	0.137	-0.073
	2	1000	1000	-2.327	-2.335	3.326	3.41	-2.258	-3.645
	3	1000	1000	2.327	2.335	3.326	3.41	2.258	3.645
	4	1000	1000	-0.012	0.02	0.974	4.033	-0.006	-0.113
	5	1000	1000	1.896	1.876	1.861	1.904	1.351	1.864
	6	1000	1000	-1.896	-1.932	1.861	0.925	-1.351	-1.936
2	1	100	100	1	2	1	2	1	2
	2	100	100	1	1	0	0	1	1
	3	100	100	1	2	0	0	1	2
	4	100	100	3	3	1.4	1.4	3	3
	5	100	100	49.7	47.7	30.3	28.4	46.5	51.5
	6	100	100	497.1	477.3	302.9	284.1	465	515
3	Dynamically created as described in the data sets section
4	1	1000	1000	0.008	-0.069	1.007	1.001	0.007	-0.077
	2	1000	1000	-0.015	-0.002	0.992	0.984	-0.049	-0.005
	3	1000	1000	0.015	-0.012	0.983	1.008	0.033	-0.027
	4	1000	1000	-0.015	0.027	1.027	1.059	-0.052	0.029
	5	1000	1000	0.011	-0.025	0.96	0.995	0.015	-0.023
	6	1000	1000	0.025	-0.012	1	0.979	0.032	0.027
	7	1000	1000	0.036	0.031	0.98	0.989	0.044	0.009
	8	1000	1000	-0.025	0.052	1.011	0.998	-0.032	0.049
	9	1000	1000	0.04	-0.05	1.006	1.06	0.006	-0.09
	10	1000	1000	-0.014	-0.031	1.008	0.974	0.026	-0.036
	11	1000	1000	-0.006	3.014	1.011	0.989	0.035	2.987
	12	1000	1000	-0.014	4.011	0.964	1.006	-0.036	3.961
	13	1000	1000	0.055	5.061	1.021	1.026	0.038	5.049
	14	1000	1000	-0.005	6.009	1.012	0.973	0	6.023
	15	1000	1000	-0.003	7.01	0.995	0.954	0.011	7.013
	16	1000	1000	0.032	0	1.04	3.263	0.072	0
	17	1000	1000	-0.004	0	0.993	4.127	-0.006	0
	18	1000	1000	-0.003	0	0.972	5.175	-0.032	0
	19	1000	1000	-0.03	0	0.984	6.059	-0.022	0
	20	1000	1000	0.055	0	1.049	7.058	0.028	0
5	1	131032	127397	3.66	3.66	0.684	0.822	3.59	3.44
6	1	1494	1302	4.79	4.8	0.28	0.29	4.84	4.82
	2	1494	1302	5	4.97	0.23	0.4	5.04	5.04
	3	1494	1302	3.96	3.84	0.42	0.47	3.88	3.74
	4	1494	1302	3.32	3.3	1.01	0.83	3.56	3.51
	5	1494	1302	3.74	3.68	0.31	0.4	3.78	3.75
	6	1494	1302	3.43	3.15	0.37	0.52	3.5	3.14
	7	1494	1302	3.66	3.6	0.44	0.51	3.66	3.64
	8	1494	1302	2.89	2.9	0.53	0.69	2.81	2.67
7	1	4687	835	-0.000776	0.0088	0.01623	0.0603	0	0.037