Income vs Height of MBA men One general belief held by observers of the business world is that taller men earn more money than shorter men. In a study reported in the Wall Street Journal, 30 MBA graduates, all about 30 years old, were surveyed and asked to report their annual incomes and their heights. These responses are recorded in 4MBA.xIsx. a Estimate a linear relationship between heights and annual income of MBA graduates and interpret your results. b Do these data provide sufficient statistical evidence to infer at the 5% significance level that taller men with MBAs earn more money than shorter ones? c Obtain two measures to check the fitness of the model. Do you think that this model is good enough to be used to estimate and predict income on the basis of height? Predict the income of 183cm tall men with MBAs