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6. (20 points) The following table is used for making the preliminary computations for nding the least squares line for the given pairs of x

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6. (20 points) The following table is used for making the preliminary computations for nding the least squares line for the given pairs of x and 3,? values. X Y -4 6 7 4 3 6 -2 -1 0 -3 l -4 a. Find fandjr.' b. Find 55\". c. Find 55\". d. Find 31 e. Find 30 f. Find the least squares line

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