The data shown in Appendix D. Table 19 give the deforestation rate,g, the population growth rate, x, and the per capita GNP, for 50 countries. Fit the linear regression of y on 1, and z

b. Compute the residuals and plot them against the predicted values. Comment on the need for a transformation.

e. Use the Box-Cox and/or the Atkinson method to suggest transformations on response and the predictors. the

d. Fit a linear model for the transformed data that uses the logarithm of 2 and 1/as the response.

e. Determine the prediction interval for the response at the mean value of andzy for the transformed model and compare with the prediction computed for the model in part

a. f. Plot the residuals against the predicted values for this model and comment on any unusual features Section 4.4