The Psychology of Quality and More
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The Psychology of Quality and More |
Z-ChartThere is more than one type of Z-Chart.The first type is an unusual form of Control Chart which plots standard values (Z), allowing multiple processes to be plotted on the same chart. Another type is a chart that forms a letter Z as it combines current, cumulative and moving total values for a given regular measurement. This is useful for showing progress in both the short and long term:
See also:Line Graph, Control Chart |
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