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? non-random random b. Twenty means were plotted on a control chart. An analyst counted 9 runs above/below the median, and 10 up/down runs. Wha the results suggest about the process? random non-random c. The following data are the number of defects per spool of cable. d. The postmaster of a small western town receives a certain number of complaints each day about mail delivery