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Part3of3 4.16 points skipped eBook Hint Ask Print References kg/mm2 In an experiment to determine the factors affecting tensile strength in steel plates, the tensile
Part3of3 4.16 points skipped eBook Hint Ask Print References kg/mm2 In an experiment to determine the factors affecting tensile strength in steel plates, the tensile strength (in kg/mmz), the manganese content (in parts per thousand), and the thickness (in mm) were measured for a sample of 20 plates. The following MINITAB output presents the results of tting the model Tensile strength = Bo + B1 Manganese + [32 Thickness. The regression equation is Strength = 26.641 + 3.3201 Manganese 0.4249 Thickness Predictor Coef StDev T P Constant 26.641 2.72340 9.78 0.000 Manganese 3.3201 0.33198 10.00 0.000 Thickness 0.4249 0.12606 3.37 0.004 S = 0.8228 RSq = 86.2% RSq(adJ) = 84.6% Analysis of Variance Source DF SS MS F P Regression 2 72.01 36.005 53.19 0.000 Residuai Error 17 11.508 0.6769 Totai 19 83.517 If two specimens have the same proportion of manganese, and one is 5 mm thicker than the other, by how much would you predict their strengths to differ
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