Apply least squares fitting to derive the normal equations and solve for the coefficients by hand (using Gaussian Elimination) for the model ? = ? + ?x + ?/x. Use the data below to evaluate the values of the coefficients. Finally, use your model to predict the value of y at x=3.7.   x 1 2 3 4 5 y 2.2 2.8 3.6 4.5 5.5

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