GM 564 Week 7 Assignment | Franklin Pierce University | Assignment Help
- franklin-pierce-university / GM 564
- 10 May 2021
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GM 564 Week 7 Assignment | Franklin Pierce University | Assignment Help
Module Seven Homework
Spring 2019
Note: To receive full credit, each outcome should include
the full QC diagram and UCLs/ LCLs, Feel free to use QM
for Windows or QM for Excel - these programs make the
assignment relatively straightforward. In addition, a professional
presentation of findings is expected.
Lastly, please identify your answer in yellow.
Problem #1
The following manufactured products have a nominal time of 80
minutes. Samples of five observations each have been taken, and the results
are as listed. Using two SPC techniques, determine the upper and lower
control limits (using a 95% level of significance) and respond to the following
questions:
Present your control charts and briefly discuss your findings.
Sample 1 78
80 79
78 80 82
Sample 2 77
78 79
79 75
82
Sample 3 79
81 80
79 80 81
Sample 4 77
80 80
79 80 82
Sample 5 81
76 80
80 78 80
Problem #2
The registrar of a New England College receives a certain number
of complaints each week about student registrations. Determine three
sigma control limits using the following data. Present your control chart
and briefly discuss if the process is in control:
Week
1
2 3
4 5
6 7
8 9 10
11 12 13
14
# of Complaints 5 11
17 8
6 8 11
14 4 5
10 5 9
7
Problem #3
Bags of pretzels are sampled to ensure proper weight. The
overall average for the samples is 11 ounces. Each sample contains 30 bags. The
standard deviation is estimated to be 4 ounces. With a 95% confidence interval,
develop a control chart with upper and lower control limits. Briefly
discuss your findings.
Problem #4
The inspection of cans of juice involves sampling some cans and
weighing them. The overall average for the samples is 44 ounces. Each sample
contains 39 cans. The standard deviation is estimated to be 4 ounces. With a
95% confidence interval, develop a control chart with upper and lower control
limits. Briefly discuss your findings.
Problem #5
Set up your own statistical process control application from
your current work environment (or one you are familiar with) using one Range
chart, one X bar chart, one p chart and one C chart. Feel free to
fabricate your own data to develop the models. Lastly, provide a brief
description of your application and a brief conclusion of findings.
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