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(1) (4 marks.) Use the least square method to find the best straightline fit to the data points: (-1,1), (1, -1), (2,1), (2,When asked to answer a question, please write the answer clearly.

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biom Technique - I Data points are: (-1, 1), (1.-1), (2, 1), (2,2). Let the best straight line fit be y = ax+6 - (1) The normTechnique - We have to find best straight line A = - 1) I (Lime an Algebra) a, 6 st y = anth is the fit let. Then we have to

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