Network Diagram.edited

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Running head: FINAL EXAM
1
Final Exam
Student’s Name
Institutional Affiliation
FINAL EXAM
2
Answers
Question 1 (6 points)
Sample
1
2
3
4
5
6
7
8
Average
Range
1
7.98
8.34
8.02
7.94
8.44
7.68
7.81
8.11
0.76
2
8.23
8.12
7.98
8.41
8.31
8.18
7.99
8.06
0.43
3
7.89
7.77
7.91
8.04
8.00
7.89
7.93
8.09
0.32
4
8.24
8.18
7.83
8.05
7.90
8.16
7.97
8.07
0.41
5
7.87
8.13
7.92
7.99
8.10
7.81
8.14
7.88
0.33
6
8.13
8.14
8.11
8.13
8.14
8.12
8.13
8.14
0.03
Mean
Standard
Deviation
8.06
0.165851
8.11
0.18694
7.96
0.097451
8.09
0.16765
8.15
0.198637
7.97
0.209157
8.00
0.12518
8.06
0.09196
Lower Control
Limit (LCL)
Upper Control
Limit (UCL)
7.559113
7.552513
7.669314
7.590382
7.552422
7.345862
7.61946
7.782453
8.554221
8.674154
8.254019
8.596285
8.744244
8.600804
8.37054
8.334214
The data and calculations supplied suggest that Webster Chemical Company’s caulking tube filling
operation is within statistical control.
Samples of eight tubes were obtained and weighed in ounces to see whether the technique was stable.
Each sample’s mean and range were determined, and then the mean and standard deviation were …
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