Draw the scatterplot matrix of the three variables (BigMac, Rice, Bread), and use the multivariate Box–Cox procedure to decide on normalizing transformations. Test the null hypothesis that λ = (1, 1,...

Draw the scatterplot matrix of the three variables (BigMac, Rice, Bread), and use the multivariate Box–Cox procedure to decide on normalizing transformations. Test the null hypothesis that λ = (1, 1, 1)′ against a general alternative. Does deleting Karachi and Nairobi change your conclusions?