The following table gives data on the pair of variables (Y) and (X): Y 36 37 38 41 42 45 48 54 59 67 78 X 13 13.7 14.1 15.5 14.2 14.7 15.9 17.6 19.7 22.0 24.6 Use Megastat to: a) Calculate the residuals of the model ( e; ). b) Estimate the variance of the errors. c) Construct 95% confidence intervals for the model's coefficients. d) Test the significance of the model's coefficients. e) Calculate the interval estimators for the E(Yh | Xi) and Y at Xh= 25.