All of the following statements about control charts are true except:A . Control charts can be used to establish as well as maintain process controlB . control charts are used to detemine acceptance limits when no limits are stipulated by the product specification; otherwise, one should use the limits dictated by the specification.C . all data points outside the control chart limits are variations explained by assignable causes.D . A and B.E . B and C
All of the following statements about control charts are true except:
A . Control charts can be used to establish as well as maintain process control
B . control charts are used to detemine acceptance limits when no limits are stipulated by the product specification; otherwise, one should use the limits dictated by the specification.
C . all data points outside the control chart limits are variations explained by assignable causes.
D . A and B.
E . B and C
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