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VII Calculation (15 points) Fitting a straight line to a set of data yields the following prediction line: = 4+6X+2X2 a) Interpret the regression

VII Calculation (15 points) Fitting a straight line to a set of data yields the following prediction line: = 4+6X+2X2 a) Interpret the regression coefficient associated with variable X. b) Interpret the regression coefficient associated with variable X2. c) Predict the value of Y for X = 4 and X2 = 1.

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