Physical properties of six flame-retardant fabric samples wereinvestigated in the
Chapter 12, Problem 63(choose chapter or problem)
Physical properties of six flame-retardant fabric samples wereinvestigated in the article Sensory and Physical Properties ofInherently Flame-Retardant Fabrics (Textile Research, 1984:6168). Use the accompanying data and a .05 significancelevel to determine whether a linear relationship existsbetween stiffness x (mg-cm) and thickness y (mm). Is theresult of the test surprising in light of the value of r?Porosity 5 0.449x 7.98 24.52 12.47 6.92 24.11 35.71y .28 .65 .32 .27 .81 .57
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