Question: Problem 4 The following is a control chart for the average number of minor errors in 22 service reports. UCL LCL a. Calculate the observed

Problem 4 The following is a control chart for

Problem 4 The following is a control chart for the average number of minor errors in 22 service reports. UCL LCL a. Calculate the observed mean, expected mean, standard deviation and z value for the median and up/down test. (Negative amounts should be indicated by a minus sign. Round your answers to 2 decimal places.) Test Observed Expected Std. dev Median Up/Down b. Based on your calculation conclude whether the test is random or non-random. Test Conclusion Median (Click to select) (Click to select) Up/Down Problem 4 The following is a control chart for the average number of minor errors in 22 service reports. UCL LCL a. Calculate the observed mean, expected mean, standard deviation and z value for the median and up/down test. (Negative amounts should be indicated by a minus sign. Round your answers to 2 decimal places.) Test Observed Expected Std. dev Median Up/Down b. Based on your calculation conclude whether the test is random or non-random. Test Conclusion Median (Click to select) (Click to select) Up/Down

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