d. Find the UCL for the x-chart. e. Find the LCL for the x-chart. f. Is this process in control? Why/why not?

MATLAB: An Introduction with Applications
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d. Find the UCL for the x-chart.
e. Find the LCL for the x-chart.
f. Is this process in control? Why/why not?
Transcribed Image Text:d. Find the UCL for the x-chart. e. Find the LCL for the x-chart. f. Is this process in control? Why/why not?
3. We are interested in seeing if 4-ounce chocolate bars are being accurately created to contain 4-ounces. Random samples of
size 6 were taken and weighed. Five hours of observation provided the following data:
Sample
Mean
Range
1
3.91
0.06
4.04
0.13
3.89
0.20
4.03
0.17
5
3.80
0.22
2 3 4
Transcribed Image Text:3. We are interested in seeing if 4-ounce chocolate bars are being accurately created to contain 4-ounces. Random samples of size 6 were taken and weighed. Five hours of observation provided the following data: Sample Mean Range 1 3.91 0.06 4.04 0.13 3.89 0.20 4.03 0.17 5 3.80 0.22 2 3 4
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