Use the orthogonal sample vectors (5.71) to find the best polynomial least squares fits of degree 1,2
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(a)
(b)
(c)
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2 0 2 713 18 21 4-27-22-3 5 1.2 22 3.2 01-3-2-10 1 2 3 y 60 80 90 100 120 120 130
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