Question: a) Find the third-order polynomial with the least-squares solution that will best approximate the data given below. b) Plot the data points and the

a) Find the third-order polynomial with the least-squares solution that will best

a) Find the third-order polynomial with the least-squares solution that will best approximate the data given below. b) Plot the data points and the curve of the polynomial you found on the same axis set (using MATLAB, Excel, etc.). -2 -1 1 3 y -1 2 1,5 0,5 0,1 -0,4

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