Control chart theory is based on the differentiation of the causes of variations in quality. Variations may be produced by assignable causes. All of the following are examples of assignable causes except:A . differences among machines.B . differences among workers.C . differences among materials.D . differences in each of these factors over time.E . None of the above (all are examples)
Control chart theory is based on the differentiation of the causes of variations in quality. Variations may be produced by assignable causes. All of the following are examples of assignable causes except:
A . differences among machines.
B . differences among workers.
C . differences among materials.
D . differences in each of these factors over time.
E . None of the above (all are examples)
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