Write a memo to John with a careful analysis of the results of his two attempts to develop a seasonal forecasting model. Which model is better? Be sure your discussion includes an evaluation of model fit, potential forecast accuracy, and any remaining problems—for example, autocorrelation.
John Mosby ran a simple regression analysis using time as the predictor variable and observed a disappointing r2of .563. Since he knew that his sales data have a strong seasonal component, he decided to fit a seasonal multiple regression model