Calculations-Individual in class assignment 5% Period 1 2 3 4 5 6 7 8 9 10 Demand 120 300 51 20 33 52 200 Using the three-period moving average calculate the average forecast for the demand of products, given its demand for last 7 period. 2. Calculate weighed moving average forecast for period 6 using a weight of 0.50 for most recent period, 0.40 for next recent, 0.30 for the next, and 0.20 for the next two periods 3. Calculate the exponential smoothing value for year 8-10. given the constant is 0.20 Period 1 2 3 4 5 6 7 8 9 10 Demand 620 300 512 278 333 522 200 382 1 409 432 Open with Google Docs Forecast Forecast error 609. 275.6 400 157 497.5 589 167.5 410 365.2 397 . Use the table above to calculate the following for the period: 1. Forecast errors 2. Mead Absolute deviation 3. Mean Square error 4. Mean absolute percent error 1 2 + MAD MSE MAPE