Fit a least squares parabola having the form y = a + bx + cx to the given data x 12 4.5 31 7 4.9 78 5.7 72 71 6.8 8.6 4.5 9.8 2.7 5.9 Write only the letter corresponding to the correct answer Find the linear coefficient between x and y A)-0.29 B) 0.20 C) -0.37 D) 0.37 Find the non linear coefficient of the parabolic relationship between x and y A) 0.99 B) 0.88C) 0.77 D) 0.66 interpretation or in number 1 and 2 A)x and y have very good negative linear reationship B) x and y have good poultive linear relationship C) x and y have good negative non linear relationship D) x and y have very good positive nonlinear relationship What percentage of the total variation remains unexplained by the assumption of a parabolic relationship between x and y? A) 0.75 B) 178 C)233 D) 3.75