Table 2. Open in new tab XmR chart...

Table 2.

XmR chart parameters.

Parameters	B0301	B0809	B0950	B1112	B1133	B1237
Mean(x)	0.12	0.01	0.44	0.26	0.07	0.06
UCL(x)	0.45	0.03	1.18	0.47	0.28	0.33
LCL(x)	−0.21	−0.02	−0.31	0.05	−0.14	−0.20
Mean(MR)	0.09	0.01	0.20	0.08	0.06	0.07
UCL(MR)	0.34	0.03	0.77	0.28	0.23	0.33

Parameters	B0301	B0809	B0950	B1112	B1133	B1237
Mean(x)	0.12	0.01	0.44	0.26	0.07	0.06
UCL(x)	0.45	0.03	1.18	0.47	0.28	0.33
LCL(x)	−0.21	−0.02	−0.31	0.05	−0.14	−0.20
Mean(MR)	0.09	0.01	0.20	0.08	0.06	0.07
UCL(MR)	0.34	0.03	0.77	0.28	0.23	0.33

Notes. Mean(x) is the measured process centre.

UCL(x) is the +3σ upper control limit.

LCL(x) is the −3σ lower control limit.

Mean(MR) is the measured moving-range centre.

UCL(MR) is the +3σ upper control limit of the moving range.