This paper is a discussion on the determination of the grade of wool top using sequential sampling, thereby minimizing the sample sizes. Industrial firms con ducting fineness testing and wool-grade variability determination will be interested in this presentation and approach, which is suggestive of considerable time-saving analysis.— Editor
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References
1.
Am. Soc. Testing Materials, Standards, "Standard Specifications and Methods of Test for Fineness of Wool Tops," D 472-41, 235-41 (Oct. 1941 ).
2.
Am. Soc. Testing Materials, Standards, "Standard Specifications and Methods of Test for Fineness of Wool Tops," D 472-41, 255-61 (Oct. 1942 ).
3.
Am. Soc. Testing Materials, Standards, "Tentative Specifications and Methods of Test for Fineness of Wool Tops," D 472-40 T, 219-24 (Oct. 1940).
4.
Cochran, W.G. , Empire J. Exp. Agr.6, 157-75 (1938).
5.
Hoel, P.G., "Introduction to MathematicalStatistics," New York, John Wiley & Sons, 1946, ch. 3 and 8.
6.
Pearson, K., "Tables for Statisticians and Biometricians," London , Cambridge Univ. Press, 1930, Vol. I, Table 51, p. 143.
7.
U. S. Dept. Agr., Amendment No. 1 to S. R. A.135, 1-5, 8 (Dec. 1939).
8.
U. S. Dept. Agr., Service and Regulatory Announcements, No. 135 (Sept. 1932).