Method for determining the equivalency index of goods,...

Details Method for determining the equivalency index of goods,... Method for determining the equivalency index of goods,...

2008-01-22

2008-01-22

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Quality evaluation

Reexamination Certificate

active

10888777

ABSTRACT:
A method is disclosed wherewith a person skilled in the art of statistical quality control may determine whether a process, goods, or service is statistically equivalent to another of known quality, or to a desired target quality. The method may also be used to determine whether multiplicities of goods, processes, or services are statistically equivalent to one another and of a desired quality. The method makes the determination based on an equivalency index that is derived from integration of the probability distribution of data of measurement taken from products associated with the process, goods or services.

REFERENCES:
patent: 3876872 (1975-04-01), Spitz
patent: 5225998 (1993-07-01), Singhal
patent: 5655074 (1997-08-01), Rauscher
patent: 6931329 (2005-08-01), Terwilliger
patent: 2004/0064438 (2004-04-01), Kostoff
Douglas C. Montgomery, “Introduction to Statistical Quality Control”, John Wiley & Sons, Inc., Third Edition, 1996, pp. 1-31.

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