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​" 0.76​" 7 3.05​" 0.48​" 13 3.21​" 0.85​" 19 3.31​" 1.56​" 2 3.20 1.23 8 2.65 1.08 14 2.83 1.36 20 2.99 1.09 3 3.12 1.48 9 3.02 0.66 15 3.22 1.01 21 2.75 1.08 4 3.39 1.31 10 2.85 1.28 16 2.74 0.45 22 3.18 0.46 5 3.07 1.22 11 2.73 1.17 17 2.96 1.48 23 2.84 1.53 6 2.96 0.37 12 2.87 0.45 18 2.64 1.34 24 2.74 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).   Part 3 Lower Control Limit ​(LCLx​) ​= inches ​(round your response to three decimal​ places). Part 4 Based on the x​-chart, the wire cutting process has been

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 6E
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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​"
0.76​"
7
3.05​"
0.48​"
13
3.21​"
0.85​"
19
3.31​"
1.56​"
2
3.20
1.23
8
2.65
1.08
14
2.83
1.36
20
2.99
1.09
3
3.12
1.48
9
3.02
0.66
15
3.22
1.01
21
2.75
1.08
4
3.39
1.31
10
2.85
1.28
16
2.74
0.45
22
3.18
0.46
5
3.07
1.22
11
2.73
1.17
17
2.96
1.48
23
2.84
1.53
6
2.96
0.37
12
2.87
0.45
18
2.64
1.34
24
2.74
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).


 
Part 3
Lower Control Limit
​(LCLx​)
​=
inches ​(round your response to three decimal​ places).
Part 4
Based on the
x​-chart,
the wire cutting process has been
 
 
.
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​)
​=
inches ​(round your response to three decimal​ places).
Part 7
Lower Control Limit
​(LCLR​)
​=
inches ​(round your response to three decimal​ places).
Part 8
Based on the​ R-chart, the wire cutting process has been
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