Part 2 (25 points):

In answering the Part 2 questions, you should download and refer to Student Data File No. 1 which contains the historical data that was used in preparing the forecast results that are reported in Part 2 of the case write-up document. Note that you do not have to prepare any forecasts in answering this question. Hint: it will be helpful for you to review a time-series plot of the 13 weeks of data contained on Student Data File No. 1.

Question 2a (4 points): Describe the details of the Last Value method used by Harry and explain its accuracy (MAD value) in comparison with the accuracy of the other methods.

Question 2b (4 points): Describe the details of the Averaging method used by Harry and explain its accuracy (MAD value) in comparison with the accuracy of the other methods.

Question 2c (4points): Describe the details of the Moving Average (5 days) method used by Harry and explain its accuracy (MAD value) in comparison with the accuracy of the other methods.

Question 2d (4points): Describe the details of the Exponential Smoothing (alpha = 0.1) method used by Harry and explain its accuracy (MAD value) in comparison with the accuracy of the other methods.

Question 2e (4 points): Describe the details of the Exponential Smoothing (alpha = 0.7) method used by Harry and explain its accuracy (MAD value) in comparison with the accuracy of the other methods.

Question 2f (5 points): Based on the analysis above, provide your recommendations to Mark on daily call volume forecasting to improve the scheduling of the call enter staff. You must recommend a forecasting model as a part of your answer.