control chart 2023 Business & Finance
2023 The following is a control chart for the average number of minor errors in 22
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The following is a control chart for the average number of minor errors in 22 service reports. |
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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 | z |
| Median | ||||
| Up/Down | ||||
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