Analyze the data in the following problems using median and up/down run tests with z = 2.
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Analyze the data in the following problems using median and up/down run tests with z = ±2.
a. Given the following run test results of process output, what do the results of the run tests suggest about the process?
Test z-score Median +1.37 Up/Down +1.05
b. Twenty means were plotted on a control chart. An analyst counted 14 runs above/below the median, and 8 up/down runs. What do the results suggest about the process?
c. Problem 8
d. Problem 7
LO.1
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