significance level	sample size (n)	Heteroscedasticity Test
significance level	sample size (n)	level of hetero	Breusch- Godfrey test	studentized Breusch-Pagan tes	White’s Test	Non-constant Variance Score Test	Park test	Spearman Rank	GLEJSER test	Goldfeld- Quandt test	Harrison- McCabe test
1%	n = 30	sigma = 0	3	34	22	10	59	6	18	9	0
1%	n = 30	sigma = 0.1	22	52	71	115	295	86	8	40	0
1%	n = 30	sigma = 0.3	21	123	106	141	353	116	2	53	1
1%	n = 30	sigma = 0.5	21	125	108	143	353	117	2	56	1
1%	n = 30	sigma = 0.7	23	128	107	141	353	119	2	56	1
1%	n = 30	sigma = 0.9	23	125	104	142	354	118	2	56	1
1%	n = 50	sigma = 0	6	37	40	6	68	13	16	12	3
1%	n = 50	sigma = 0.1	28	87	87	217	352	108	11	71	0
1%	n = 50	sigma = 0.3	30	153	195	259	389	123	8	84	4
1%	n = 50	sigma = 0.5	30	144	187	266	391	123	7	83	4
1%	n = 50	sigma = 0.7	30	146	191	266	392	123	7	83	4
1%	n = 50	sigma = 0.9	30	142	190	266	393	124	7	84	3
1%	n = 100	sigma = 0	9	30	25	6	73	9	11	10	12
1%	n = 100	sigma = 0.1	64	132	140	326	474	114	13	105	25
1%	n = 100	sigma = 0.3	63	193	300	388	522	138	10	114	26
1%	n = 100	sigma = 0.5	64	191	302	391	522	138	10	116	26
1%	n = 100	sigma = 0.7	64	190	304	393	520	138	10	116	26
1%	n = 100	sigma = 0.9	64	191	304	394	520	138	10	116	27
1%	n = 200	sigma = 0	8	42	36	11	98	17	12	16	19
1%	n = 200	sigma = 0.1	117	218	231	461	643	137	9	128	28
1%	n = 200	sigma = 0.3	122	283	467	538	687	154	11	143	29
1%	n = 200	sigma = 0.5	120	288	470	540	690	154	11	144	29
1%	n = 200	sigma = 0.7	120	280	473	542	690	155	11	144	29
1%	n = 200	sigma = 0.9	120	272	474	543	689	155	11	144	29
1%	n = 500	sigma = 0	8	31	29	8	91	11	11	12	16
1%	n = 500	sigma = 0.1	379	434	400	676	887	154	8	154	22
1%	n = 500	sigma = 0.3	378	515	709	745	914	167	9	166	28
1%	n = 500	sigma = 0.5	375	514	722	751	915	166	9	167	29
1%	n = 500	sigma = 0.7	375	524	724	753	914	166	9	166	29
1%	n = 500	sigma = 0.9	375	525	724	753	915	165	9	166	29
1%	n = 1000	sigma = 0	15	29	31	11	88	7	10	9	12