This part of the study demonstrates the complex nature of variability in multi component blends and the effectiveness of bale picking schemes in handling this com plexity, using analysis of variance. Such analysis provides useful guides in the selecting fibers for uniform blending. Critical factors affecting mix uniformity are examined, including population variability, location of category break points, number of cate gories, and laydown size. Methods for optimizing blend uniformity in view of the effects of these factors are recommended.
El Mogahzy, Y.E., and Gowayed, Y., Theory and Practice of Cotton Fiber Selection, Part I : Fiber Selection Techniques and Bale Picking Algorithms, Textile Res. J.64, 32-40 ( 1994).
4.
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5.
Stuart, A., "Basic Ideas of Scientific Sampling,"Griffin, London , 1962.
