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 Median Up/Down Z-score +2.53 +2.15 O non-random O random b.Twenty means were plotted on a control chart. An analyst counted 13 runs above/below the median, and 12 up/down runs. What do the results suggest about the process? O random O non-random c. The following data are the number of defects per spool of cable. OBSERVATION 1 2 3 5 6 7 8 9 10 Number of defects 4 3 1 3 2 0 2 1 4 11 3 12 1 13 2 14 0 1 Test Conclusion Median Up/Down