X Chart Control Limits Based on A Small Number of Subgroups

Article

Hillier, Frederick S.   (1964, ASQC)   Stanford University

Industrial Quality Control    Vol. 20    No. 8
QICID: 4767    February 1964    pp. 24-29
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Article Abstract

Why wait for expensive inspection results before starting X Charts? The author presents a simple procedure for setting statistically sound control limits as soon as inspection starts.

Keywords

Statistical process control (SPC)


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