Solve step-by-step: X-bar and S control Chart Subgroup X1 X2 X3 X4 X-bar S 1 1.2...

Solve step-by-step:

X-bar and S control Chart

Subgroup	X1	X2	X3	X4	X-bar	S
1	1.2	1.3	1.2	2.2
2	3.3	1.2	1.2	3.2
3	1.2	1.3	1	1.3
4	3.4	1.2	3.1	2.1
5	2.3	3.3	2.2	2.3
6	3.1	3.3	3	3.1
7	3.1	1.2	2.1	2.4
8	2.4	1.4	3	2.4
9	4.1	4.2	4.1	4.2
10	1.3	3	1.3	1.3
11	2.3	1	1.4	3.3
12	3.3	2.4	3.3	1.1
13	1.4	3.4	1.3	3.2
14	3.1	1.3	2	1.3
15	2.2	2.4	1.4	2.3
16	2.1	3.2	3.2	3.3
17	1.1	1.1	2.2	2.3
18	1.1	3.3	1.3	2.1
19	2.1	2.3	1.2	3.2
20	0.9	4.3	1.2	0.9
21	3	3.1	2.3	2.3
22	2.3	2.3	3.2	2
23	2.1	1.3	1.2	3.3
24	3	3.2	1.2	1.2
25	3	3	2.3	2.3

a. Determine the Trial UCL, CL, and LCL for both charts of X-bar and S

b. Determine Revised UCL, CL, LCL for both charts of X-bar and S

Expert Solution

Answer for b)

here last observation in screen shot is missing...

Thank you....

orchestra answered 1 year ago

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