b) construct a 99% confidence interval for the regression coefficient for x2 and interpret its meaning

Consider the following set of dependent and independent variables. Use these data to complete parts a and b below. 49 45 42 42 33 30 27 21 14 X1 72 60 81 50 45 48 34 18 13 X2 21 29 22 15 13 15 10 12 11 a. Construct a 90% confidence interval for the regression coefficient for x, and interpret its mealring. The 90% confidence interval for the true population coefficient B, is to (Round to three decimal places as needed.) pr