Question: (2) (a) Table 3 gives the data for actual demand (D) and forecasted demand (F) of a product for the past 10 months. Using the

(2) (a) Table 3 gives the data for actual demand

(2) (a) Table 3 gives the data for actual demand (D) and forecasted demand (F) of a product for the past 10 months. Using the data find: (10 marks) MAD (11) MAPD (1) RSFE (iv) Tracking Signal Values Plot the values on a control chart using Tracking Signal and comment on the acceptability of the forecasts. Table 3 Actual Forecasted Demand Demand Month (D) 1 98 100 2 102 110 3 124 4 156 5 159 146 6 174 7 172 166 8 188 182 9 193 200 10 174 180 167 128 167

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