1 / 2 100% Math 104 Homework 6 Problem 1 Forecasting Revenues Giovanni Food Products produces and sells frozen pizzas to public schools throughout the eastern United States. Using a very aggressive marketing strategy they have been able to increase their annual revenue by approximately $10 million over the past 10 years. But increased competition has slowed their growth rate in the past few years. The annual review, in millions of dollars, for the previous 10 years is shown. Year Revenue 8.53 2 10.84 12.98 14.11 5 16.31 6 17.21 18.37 18.45 18.40 10 18.43 aj Construct a time series plot. Comment on the appropriateness of a linear model. b) Develop a quadratic trend equation that can be used to forecast revenue. c) Report the measures of accuracy: MAE, RMSE, MAPE d) Using the trend equation developed in part b, forecast revenue in year 11. e) Does autocorrelation appear to be a problem? Plot the forecast error against the time variable. Compute the DW test statistic. Is the value close to 2? (You don't have to use the critical values here) Problem 2 Seasonal Sales South Shore Construction builds permanent docks and seawalls along the southern CBALAutoSave . OH Problem 1 Forecasting Revenue - Excel File Home Insert Draw Page Layout Formulas Data Review View E11 A B C D E 1 Year Revenue 2 8.53 2 10.84 4 3 12.98 4 14.11 16.31 6 17.21 8 18.37 9 8 18.45 10 9 18.40 11 10 18.43 12 13 14 15 16 17 18 19 Shoot1 Ready