Question: Develop an M-file to implement polynomial regression. Pass the M-file two vectors holding the x and y values along with the desired order m. Test

Develop an M-file to implement polynomial regression. Pass the M-file two vectors holding the x and y values along with the desired order m. Test it by solving Prob. 15.3.

Data From Problem 15.3

Fit a cubic polynomial to the following data:

X 3 y 1.6 4 3.6 5 4.4 7 8 9 11

Along with the coefficients, determine r²and sy/x.

X 3 y 1.6 4 3.6 5 4.4 7 8 9 11 3.4 2.2 2.8 3.8 12 4.6

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