A meat packaging plant uses a machine that packages ground chuck in eight ounce portions. A...
A meat packaging plant uses a machine that packages ground chuck in eight ounce portions. A sample of 15 packages of ground chuck has a variance of 0.41. Construct the 80% confidence interval to estimate the variance of the weights of the packages prepared by the machine.
Homework Answers
Solution:-
80% confidence interval to estimate the variance of the
weights of the packages prepared by the machine is
.
n = 15, variance = 0.41
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see if the equipment needs to be readjusted. After one shift, a
sample of 18 bags yielded the following data. mean = 20.45 s = .80
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Small Sample Mean Problem. The maker of potato chips uses an automated packaging machine to pack...
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Small Sample Mean Problem. The maker of potato chips uses an automated packaging machine to pack its 20-ounce bag of chips. At the end of every shift 18 bags are selected at random and tested to see if the equipment needs to be readjusted. After one shift, a sample of 18 bags yielded the following data. mean = 20.45 s= .80 n = 18. If we were to conduct a test to see if the sample estimate is different from...
Small Sample Mean Problem. The maker of potato chips uses an
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the end of every shift 18 bags are selected at random and tested to
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n = 18.
If we were to conduct a test to see if the sample estimate is
different...
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