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Av > == Paragraph I LZ Question > |-- > 17 Styles 17 Seled Editing The Operations Manager of Toshiba's laptop manufacturing plant is about to prepare her annual report to the Board of Directors. Using the table below, she outlined the performance of the plant based on data collected over the last 5 quarters. You are required to: (a) Calculate the Mean Absolute Deviation (MAD) for the five (5) quarters. [2 pts] MAD (93+01+12+119+99-424/5 = 84.80) 1 (b) Calculate the Mean Squared Error (MSE) for the five (5) quarters. [2 pts] - MSE (42,956/4 = 10.74) (c) Calculate the Mean Absolute Percentage Error (MAPE), for the five (5) quarters. [3 pts] MAPE 30.76/5 = 6.15% (d) Based on your assessment, how would you rate the effectiveness of Toshiba's forecasting? Give your reasons. [5 pts]. (e) Which of the forecast accuracy calculation would you consider to be the most appropriate for Toshiba? Give your reasons. [5 pts]. (f) What conclusion can you draw about Toshiba's laptop production over the five (5) quarters using time-series behaviors? [3 pts] Total [20 pts] nited States) Accessibility: Unavailable Focus