A milk company has four machines that fill gallon jugs with milk. The quality control manager is
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Question:
A milk company has four machines that fill gallon jugs with milk. The quality control manager is interested in determining whether the average fill for these machines is the same. The following data represent random samples of fill measures (in quarts) for 19 jugs of milk filled by the different machines. Use α = .01 to test the hypotheses. Discuss the business implications of your findings.
Machine 1 | Machine 2 | Machine 3 | Machine 4 |
4.05 | 3.99 | 3.97 | 4.00 |
4.01 | 4.02 | 3.98 | 4.02 |
4.02 | 4.01 | 3.97 | 3.99 |
4.04 | 3.99 | 3.95 | 4.01 |
| 4.00 | 4.00 |
|
| 4.00 |
|
|
Related Book For
Mathematical Statistics with Applications in R
ISBN: 978-0124171138
2nd edition
Authors: Chris P. Tsokos, K.M. Ramachandran
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