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Busi450 week 3 assignment




6. The following inventory pattern has been observed in the Zahm Corporation over 12 months;Use both three-month and?ve-month moving-average models to forecast the inventory for the next January. Use root-mean-squared error (RMSE) to evaluate these two forecasts.;11. a. Plot the data presented in Exercise 7 to examine the possible existence of trend and seasonality in the data.;b. Prepare four separate smoothing models to examine the full-service restaurant sales data using the monthly data.;1. A simple smoothing model;2. Holt?s model;3. Winters? model;c. Examine the accuracy of each model by calculating the root-mean-squared error for each during the historical period. Explain carefully what characteristics of the original data led one of these models to minimize the root-mean-squared error.;13. The data in the table below are for retail sales in book stores by quarter.;a. Plot these data and examine the plot. Does this view of the data suggest a particular smoothing model? Do the data appear to be seasonal? Explain.;b. Use a smoothing method to forecast the next four quarters. Plot the actual and forecast values.;**duplicate Figure 3.13


Paper#28960 | Written in 18-Jul-2015

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