In the manufacture of synthetic fiber, the fiber is often ??set?? by subjecting it to high temperatures.
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In the manufacture of synthetic fiber, the fiber is often ??set?? by subjecting it to high temperatures. The object is to improve the shrinkage properties of the fiber. In a test of 25 yarn specimens, the relationship between temperature in ??C (x) and shrinkage in % (y) was summarized by the least-squares line y = ??12.789 + 0.133x. The total sum of squares was?and the estimated error variance was s2= 0.0670. Compute the coefficient of determination r2.
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E(v: – y)² = 57.313.
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