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 3.25​" 0.71​" 7 3.15​" 0.58​" 13 3.11​" 0.90​" 19 3.31​" 1.61​" 2 3.20 1.18 8 2.55 1.13 14 2.83 1.31 20 2.99 1.14 3 3.32 1.38 9 3.12 0.76 15 3.22 1.06 21 2.55 1.13 4 3.29 1.21 10 2.85 1.38 16 2.94 0.45 22 3.38 0.51 5 2.97 1.22 11 2.83

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Chapter1: Starting With Matlab
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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
3.25​"
0.71​"
7
3.15​"
0.58​"
13
3.11​"
0.90​"
19
3.31​"
1.61​"
2
3.20
1.18
8
2.55
1.13
14
2.83
1.31
20
2.99
1.14
3
3.32
1.38
9
3.12
0.76
15
3.22
1.06
21
2.55
1.13
4
3.29
1.21
10
2.85
1.38
16
2.94
0.45
22
3.38
0.51
5
2.97
1.22
11
2.83
1.22
17
2.86
1.48
23
3.04
1.58
6
2.96
0.37
12
2.87
0.35
18
2.84
1.24
24
2.74
0.97
 
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​) ​= ? inches ​(round your response to three decimal​ places).
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