(a) Use the weighted least square method to find a polynomial of degree 2 that fits...

 

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(a) Use the weighted least square method to find a polynomial of degree 2 that fits the data below given that the weights on (1.1, 1.96), (1.5, 2.45) and (2.1, 3.18) are 0.4, 1.2 and 0.6 respectively. [5 marks] Xi Y₁ 1.0 1.84 1.1 1.96 1.3 2.21 1.5 2.45 1.9 2.94 2.1 3.18 (a) Use the weighted least square method to find a polynomial of degree 2 that fits the data below given that the weights on (1.1, 1.96), (1.5, 2.45) and (2.1, 3.18) are 0.4, 1.2 and 0.6 respectively. [5 marks] Xi Y₁ 1.0 1.84 1.1 1.96 1.3 2.21 1.5 2.45 1.9 2.94 2.1 3.18

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