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. Use median and up/down run tests with z = 2 to determine if assignable causes of variation are present. Observations are as follows; 23,
. Use median and up/down run tests with z = 2 to determine if assignable causes of variation are present. Observations are as follows; 23, 26, 25, 30. 21, 24, 22, 26, 28, 21. Is the process in contr...
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