SHOW WORK TO GET FULL CREDIT Problem 9) (8 points) A civil engineer has collected data relating compressive strength(x) and intrinsic permeability(y) of various concrete mixes and cures. Summary data is given as follows: 12. x = 31. 112, . 412. . - 16950. - 1207 7 Assume that a linear relationship exists between the two variables, Fit a simple linear regression model using the least square estimates of the slope and the y-intercept (i.e., obtain the equation of the best fitting line) (Round your answer to 2 decimal places for the slope and 3 decimal places for the y-intercept) (Show work). 15 F