Analyze the data in the problems listed below using median and up/down run tests

Question

Analyze the data in the problems listed below using median and up/down run tests with z = plusminus 2. Given the following run test results of process output, what do the results of the run tests suggest about the process? random non-random Twenty means were plotted on a control chart. An analyst counted 15 runs above/below the median, and 9 up/down runs. What do the results suggest about the process? non-random random The following data are the number of defects per spool of cable. The postmaster of a small western town receives a certain number of complaints each day about mail delivery.

Explanation / Answer

Median and up/down run tests with z = ± 2.

a) Given the following run test it suggests Random Process

b) Non-random

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