SEDL / STP / STP1209-EB / STP13193S

Analyzing Interlaboratory Data According to ASTM Standard E691

Mandel, J
Guest Scientist, Chemical Science and Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland

Pages: 12    Published: Jan 1994

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Abstract

ASTM Standard Practice E691-92 deals with the design and the analysis of the data of an interlaboratory study of a test method. This paper explains the procedure of E691 and goes beyond it in a discussion of the linear model analysis of interlaboratory test data. The explanations are illustrated in terms of a real set of interlaboratory data.