18. If alpha() is 0.2 and the current demand is 200, the forecast for the curren

Question

18. If alpha() is 0.2 and the current demand is 200, the forecast for the current period was 1 75 and for the last period was 150; what is the forecast for the next period ? a. 160 d. 195 e. None b. 180 c. 190 (19-22) Using the data below, give your answers for following questions Period Demand Feb. 50 Mar. 40 Apr. 45 May. 35 -19. Forecast demand for June using the Naive approach e. None c. 40 d. 50 a.25 20. Forecast demand for June using a weighted moving average with weights of 1, 2, and 3 where the heaviest e. None weight for the most recent period. a. 39.17 b. 45.83 .43.33 d. 40.83 21. Following linear equation is used to predict monthly sales: Y,-20+10t. What is the forecast for June if t-0 in Feb. of this year? a. 60 b. 50 c. 55 d. 40 e. None 22. Given an actual demand of 45, a forecasting value of 40 for Apr. and an alpha of 0.5, what would the forecast for the next time period (June) be using exponential smoothing? a. 37.5 b. 38.75 c. 42.5 d.35.25 e. None Given forecast errors of-1, 4, 8, and-3, what is the mean absolute deviation? A) 2 B) 3 ot (s-Yo) MAD E) 16 Suppose that the last four months of sales were 8, 10, 15, and 9 units, respectively. Suppose further that the last four forecasts were 5, 6, 11, and 12 units, respectively. What is the Mean Absolute Deviation (MAD) of these forecasts? D)9 E) 105 Answer: C leS 35(3)(45(T) t (yoCl) 16 2

Explanation / Answer

Forecast for next period = 0.8 * 200 + 0.2 * 175 = 195                                                        

Option-D) 195   

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