Analyze the data in the problems listed below 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.