Question: Re-solve Exercise 5.5.15 using the respective weights 2, 1, .5 at the three data points. Data From Exercise 5.5.15 Given (a) Find the straight line

Re-solve Exercise 5.5.15 using the respective weights 2, 1, .5 at the three data points.



Data From Exercise 5.5.15


Given ti 1 Yi 3 2 6 3 11


(a) Find the straight line y = α + βt that best fits the data in the least squares sense;


(b) find the parabola y = α + βt + γt2 that best fits the data. Interpret the error.

ti 1 Yi 3 2 6 3 11

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