Consider the carbon dioxide concentration data of Exercise 3.1.13. Find the best least squares…

Consider the carbon dioxide concentration data of Exercise 3.1.13. Find the best least squares (a) line, (b) parabola, and (c) cubic curve through the data points and the RMSE of the fit. In each case, estimate the 1950 CO2 concentration.

Exercise 3.1.13

Write down 4 noncollinear points (1, y1), (2, y2), (3, y3), (4, y4) that do not lie on any polynomial y = P3(x) of degree exactly three.

 

 

 

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