(a) Find the regression coefficients of a line equation which the data best. (b) Find the regression coefficients of a second order polynomial which represents the data best. (c) Fill the table below to compare r2 values of these three fits and decide which is best. Digit Number (✗) Digits of your Id No (v) 1 2 2 2 3 9 4 5 5 4 6 1 7 0 8 6 9 8 10 7 11 4

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