Assume a dependent variable y is related to an independent variables x, and x, by the following linear regression model: y=ax, + bx,+e, where a.bER2 are parameters and e is a residual error. Four observations for the dependent and independent variables are given in the following table x_1 x_2 -1 -1 1 2 3 -17 Use the least squares method to fit this regression model to the data. What is the sum of square errors associated with this model? Give your answer to three decimal places.

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