Question: Q3. Given data (5, 1), (2, -5), (0,3), (-10,1) a) find the centroid of the data, b) find a line y = ax + b

Q3. Given data (5, 1), (2, -5), (0,3), (-10,1) a) find the centroid of the data, b) find a line y = ax + b that best fit the data by normal equation. (You may round the coeffi- cients to the nearest tenth digits.)

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