Table 7.

ARL values of total stages for the competing monitoring schemes under the shifts in intercept ( ${\lambda }_1$) of Stage 1 considering gamma and normally distributed data.

	${\lambda }_1$
$\text{AR}{\text{L}}_{\text{Total}}$	0	0.2	0.4	0.6	0.8	1	1.2	1.4	1.6	1.8	2
$\varphi =0.0$	gamma-distributed data
GLR	200.35	154.34	113.8	81.51	55.07	37.99	25.75	17.33	12.03	8.22	5.77
$T^2$	200.4	187.34	142.65	127.54	96.34	65.98	42.76	30.92	21.87	12.73	8.54
MEWMA	200.12	172.87	134.76	118.5	81.45	50.65	34.15	23.63	19.35	10.38	6.48
$\varphi =0.1$	gamma-distributed data
GLR	200.53	154.39	112.71	80.12	56.47	38.04	26.12	17.36	12.01	8.23	5.71
$T^2$	200.35	186.04	141.61	126.75	95.24	64.91	42.65	31.56	22.65	12.82	8.27
MEWMA	200.31	172.45	133.89	119.34	80.35	51.85	34.87	22.93	18.54	10.22	5.56
$\varphi =0.9$	gamma-distributed data
GLR	200.26	160.58	117.71	83.89	57.29	39.27	25.55	17.42	11.99	7.98	5.61
$T^2$	200.12	187.12	142.64	125.56	95.81	65.82	42.17	30.91	22.01	11.59	7.77
MEWMA	200.43	171.65	133.49	118.36	80.39	50.61	34.62	22.73	19.62	10.03	5.99
	${\lambda }_1$
$AR{L}_{Total}$	0	0.2	0.4	0.6	0.8	1	1.2	1.4	1.6	1.8	2
$\varphi =0.0$	normally distributed data
GLR	200.35	56.34	15.65	7.45	4.23	3.76	2.45	2.12	1.76	1.56	1.23
$T^2$	202.57	162.01	89.82	41.56	19.57	9.62	5.28	3.21	2.18	1.64	1.33
MEWMA	201.12	67.37	18.45	8.74	5.62	4.17	3.32	2.8	2.44	2.19	2.02
$\varphi =0.1$	normally distributed data
GLR	200.53	55.65	14.87	7.47	4.76	3.23	2.18	2.01	1.37	1.29	1.01
$T^2$	200.71	160.94	87.76	41.54	19.35	9.53	5.29	3.18	2.20	1.61	1.33
MEWMA	202.17	67.22	18.53	8.78	5.59	4.16	3.34	2.80	2.44	2.18	2.02
$\varphi =0.9$	normally distributed data
GLR	200.26	55.35	13.58	7.83	4.13	3.36	2.12	2.02	1.21	1.09	1.06
$T^2$	199.61	161.26	88.05	41.24	19.14	9.73	5.19	3.22	2.19	1.63	1.33
MEWMA	200.29	67.40	18.64	8.75	5.64	4.15	3.31	2.81	2.45	2.19	2.01