Table Q1: Modulus Young (GPa) of Polymer Composites Panels 95 90 Polycarbonate 80 50 30 4.54 8.5 (wt.%) Modulus Young (GPa) 100 97.5 2.12 2.26 (a) Plot the data on a scatter diagram. 2.57 3.26 3.46 (b) Estimate the regression line by using the method of least square. Interpret your result. ext (c) Calculate the modulus Young if the polycarbonate: (i) 25 wt% (ii) 10 wt.% (d) Calculate the coefficient of determination, r²

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A: Step 1: