Question: 5. [5 marks] The (x, y) data points at the right have been observed. It is desired to fit a regression model of the form

5. [5 marks] The (x, y) data points at the right have been observed. It is desired to fit a regression model of the form X y y = ax + B. 0 1 Find the least squares value of a and B and provide the best-fit line. 1 2 2 2 2 3

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