Robust Hotelling 𝑇² Control Chart with Consistent Minimum Vector Variance

Table 4

List of Phase I and Phase II real data.

No. of product	Phase I data			Phase II data
	𝑋1	𝑋2	𝑋3	𝑋1	𝑋2	𝑋3
1	−0. 0011	0.0003	0.0128	0.0041	0.0087	0.0129
2	0.0011	0.0021	0.0246	0.0047	0.0109	0.0124
3	0.0252	0.0308	0.0378	0.0031	0.0057	0.0096
4	−0.0017	0.0109	0.0177	0.0035	−0.0020	0.0101
5	−0.0005	−0.0010	0.0106	0.0040	−0.0028	0.0125
6	0.0016	−0.0059	0.0128	0.0031	0.0008	0.0061
7	0.0004	0.0001	0.0062	−0.0019	0.0101	0.0112
8	0.0078	0.0003	0.0159	0.0009	0.0039	0.0082
9	0.0076	0.0089	0.0097	−0.0052	0.0090	0.0203
10	0.0020	0.0005	0.0071	−0.0008	0.0110	0.0184
11	0.0108	0.0011	0.0092	−0.0021	0.0139	0.0170
12	0.0039	0.0034	0.0425	−0.0017	0.0092	0.0061
13	0.0060	−0.0033	0.0160	−0.0010	0.0133	0.0138
14	0.0066	0.0100	0.0056	−0.0030	0.0002	0.0053
15	0.0045	−0.0067	0.0147	0.0016	0.0134	0.0151
16	0.0110	−0.0207	0.0337	0.0027	0.0086	0.0070
17	0.0047	0.0059	0.0065	0.0004	0.0086	0.0087
18	0.0077	0.0003	0.0191	−0.0036	0.0136	0.0129
19	0.0015	0.0123	0.0124	−0.0028	0.0003	0.0078
20	0.0011	0.0038	0.0104	0.0120	0.0123	0.0768
21	0.0056	0.0065	0.0063	−0.0015	0.0004	0.0115
22				0.0009	0.0232	0.0202
23				−0.0035	0.0088	0.0107
24				0.0016	0.0061	0.0066
25				−0.0228	−0.0466	0.0231
26				0.0037	−0.0038	0.0147