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Journal of Quality Technology
A Quarterly Journal of Methods, Applications and Related Topics
Volume 24, 1992 - Issue 4
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Articles

The Relationship of Cpm to Squared Error Loss

Pages 211-215 | Published online: 21 Feb 2018
 

Abstract

The relationship between the capability index Cpm and the expected squared error loss provides an intuitive interpretation of Cpm. By putting the loss in relative terms a user needs only to specify the target and the distance from the target at which the product would have zero worth, or alternatively, the loss at the specification limits. Confidence limits for the expected relative loss are discussed, and a numerical illustration is given.

Additional information

Notes on contributors

Thomas Johnson

Dr. Johnson is a Professor of Agricultural and Resource Economics, Statistics, and Biomathematics. He is a Member of ASQC.

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