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Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) LOADING... for this problem.   Sampling 4 pieces of​ precision-cut wire​ (to be used in computer​ assembly) every hour for the past 24 hours has produced the following​ results:                                                                                                                                                           Hour x R Hour x R Hour x R Hour x R 1 3.15​" 0.65​" 7 3.15​" 0.58​" 13 3.11​" 0.85​" 19 4.51​" 1.66​" 2 3.00 1.23 8 2.65 1.13 14 2.93 1.31 20 2.89 1.04 3 3.22 1.43 9 3.02 0.66 15 3.22 1.11 21 2.55 1.08 4 3.39 1.21 10 2.85 1.28 16 2.84 0.55 22 3.28 0.41 5 3.07 1.12 11 2.73 1.12 17 2.96 1.43 23 2.84 1.63 6 2.76 0.42 12 3.07 0.45 18 2.84 1.34 24 2.64 0.92   Based on the sampling​ done, the control limits for ​3-sigma x chart are ​(round all intermediate calculations to three decimal places before proceeding with further ​calculations)​: Part 2 Upper Control Limit ​(UCLx​) ​= enter your response here inches ​(round your response to three decimal​ places).

Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) LOADING... for this problem.   Sampling 4 pieces of​ precision-cut wire​ (to be used in computer​ assembly) every hour for the past 24 hours has produced the following​ results:                                                                                                                                                           Hour x R Hour x R Hour x R Hour x R 1 3.15​" 0.65​" 7 3.15​" 0.58​" 13 3.11​" 0.85​" 19 4.51​" 1.66​" 2 3.00 1.23 8 2.65 1.13 14 2.93 1.31 20 2.89 1.04 3 3.22 1.43 9 3.02 0.66 15 3.22 1.11 21 2.55 1.08 4 3.39 1.21 10 2.85 1.28 16 2.84 0.55 22 3.28 0.41 5 3.07 1.12 11 2.73 1.12 17 2.96 1.43 23 2.84 1.63 6 2.76 0.42 12 3.07 0.45 18 2.84 1.34 24 2.64 0.92   Based on the sampling​ done, the control limits for ​3-sigma x chart are ​(round all intermediate calculations to three decimal places before proceeding with further ​calculations)​: Part 2 Upper Control Limit ​(UCLx​) ​= enter your response here inches ​(round your response to three decimal​ places).

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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Refer to
Table S6.1 - Factors for Computing Control Chart Limits (3 sigma)
LOADING...
for this problem.
 
Sampling
4
pieces of​ precision-cut wire​ (to be used in computer​ assembly) every hour for the past 24 hours has produced the following​ results:
                                                                                                                                                         
Hour
x
R
Hour
x
R
Hour
x
R
Hour
x
R
1
3.15​"
0.65​"
7
3.15​"
0.58​"
13
3.11​"
0.85​"
19
4.51​"
1.66​"
2
3.00
1.23
8
2.65
1.13
14
2.93
1.31
20
2.89
1.04
3
3.22
1.43
9
3.02
0.66
15
3.22
1.11
21
2.55
1.08
4
3.39
1.21
10
2.85
1.28
16
2.84
0.55
22
3.28
0.41
5
3.07
1.12
11
2.73
1.12
17
2.96
1.43
23
2.84
1.63
6
2.76
0.42
12
3.07
0.45
18
2.84
1.34
24
2.64
0.92
 
Based on the sampling​ done,
the
control limits for ​3-sigma
x
chart are ​(round all intermediate calculations to three decimal places before proceeding with further
​calculations)​:
Part 2
Upper Control Limit
​(UCLx​)
​=
enter your response here
inches ​(round your response to three decimal​ places).
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Follow-up Question

Based on the

x​-chart,

the wire cutting process has been

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Follow-up Question
Based on the
x​-chart,
the wire cutting process has been
OUT OF CONTROL
 
.
Part 5
The control limits for the
​3-sigma
​ R-chart are ​(round all intermediate calculations to three decimal places before proceeding with further
​calculations)​:
Part 6
Upper Control Limit
​(UCLR​)
​=
enter your response here
inches ​(round your response to three decimal​ places
Solution
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Follow-up Question

Lower Control Limit

​(LCLx​)

​=

enter your response here

inches ​(round your response to three decimal​ places).

Solution
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