Essay
Nancy, Inc. manufactures 4 ounce chocolate bars. Random samples of size four were taken and weighed. Eight hours of observation provided the following data. 
a. Determine the 3 sigma upper and lower control limits for the x-bar chart.
b. Determine the 3 sigma upper and lower control limits for the R-chart.
Correct Answer:
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a. UCL = 4.09704
LCL...View Answer
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Correct Answer:
Verified
LCL...
View Answer
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