Mathematics

Mathematics, 03.12.2019 19:31, liv696

Infrared spectroscopy is often used to determine the natural rubber content of mixtures of natural and synthetic rubber. for mixtures of known percentages, the infrared spectroscopy gave the following readings: percentage: 0 20 30 60 80 100reading: 0.734 0.885 1.05 1.91 1.314 1.433(a) plot a scatter diagram. does a linear relationship seem reasonable? (b) estimate the regression coefficients.(c) if a new mixture gives an infrared spectroscopy reading of 1.15, estimate its percentage of natural rubber.

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