Control charts for attributes are: a) p-charts. b) c-charts. e) R-charts d) x-ch

Question

Control charts for attributes are: a) p-charts. b) c-charts. e) R-charts d) x-charts e) both a and b. C. ABC analysis divides on-hand inventory into three classes, based on: a) unit price. c) annual demand. b) the number of units on hand. d) annual dollar values 27, A traditional quality control process in manufacturing consists of mass inspection of goods at the end of a production process. A major deficiency of the traditional control process is that A. It is expensive to do the inspections at the end of the process. B. It is not possible to rework defective items. C. It is not 100% effective. D. It does not focus on improving the entire production process. 28 Under a total quality management (TQM) approach A. Measurement occurs throughout the process and errors aro caught and corrected at the source Quality control is performed by highly trained inspectors at the ond of the production procoss B. C. Uppor managemont assumos tho primary rosponsibility for the quality of tho products and sorvicos D. A largo numbor of suppliors are used in order o obtain the lowost possibly pricos

Explanation / Answer

1.

Both ‘a” and “b”

P-chart: Control chart for fraction defective

C-chart: Control chart for number of defects

R- chart: Control chart for range

X^bar chart: Control chart for mean

Attribute means feature of control; finding the defective items information out of the whole sample is such feature. Therefore, P-chart and C-chart are appropriate here.

Answer: e

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