MCQOPTIONS
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| 1. |
Which of these is used in the standardized chart for u-chart with variable sample size? |
| A. | Z<sub>i</sub> |
| B. | M<sub>i</sub> |
| C. | U<sub>i</sub> |
| D. | A<sub>i</sub> |
| Answer» B. M<sub>i</sub> | |